What is a complication of angina pectoris that involves irregular heartbeats?
Ventricular fibrillation.
What is multifocal microinfarction?
Infarction due to small vessel microembolization, vasculitis, or vascular spasm.
1/111
p.5
Complications of Angina Pectoris

What is a complication of angina pectoris that involves irregular heartbeats?

Ventricular fibrillation.

p.9
Patterns of Myocardial Infarction

What is multifocal microinfarction?

Infarction due to small vessel microembolization, vasculitis, or vascular spasm.

p.10
Myocardial Infarction: Definition and Causes

What color change occurs in myocardial infarction (NE) by 12 to 72 hours?

Pale to yellow.

p.1
Etiology of Ischemic Heart Disease

What causes myocardial ischemia in ischemic heart disease?

An imbalance between the supply (perfusion) and demand of the heart for oxygenated blood.

p.9
Patterns of Myocardial Infarction

What causes circumferential subendocardial infarction?

Hypo-perfusion.

p.7
Patterns of Myocardial Infarction

What areas are affected by an infarct in the anterior descending artery?

Anterior wall of the left ventricle, anterior wall of the right ventricle, anterior part of the interventricular septum, and apex.

p.12
Complications of Myocardial Infarction

What complications can arise from prolonged confinement to bed after a myocardial infarction?

Leg thrombosis and pulmonary embolism.

p.11
Myocardial Infarction: Definition and Causes

What type of tissue is formed in the late stage of myocardial infarction?

White scar.

p.2
Angina Pectoris: Definition and Characteristics

What is angina pectoris?

A type of chest pain caused by reduced blood flow to the heart, often described as pressure or squeezing.

p.12
Complications of Myocardial Infarction

What causes myocardial rupture after an infarction?

Neutrophilic liquefactive enzymes.

p.7
Patterns of Myocardial Infarction

What area is affected by an infarct in the circumflex branch of the left coronary?

Lateral wall of the left ventricle.

p.6
Definition of Ischemic Heart Disease (IHD)

What is the definition of Ischemic Heart Disease (IHD)?

Massive area of coagulative necrosis of myocardium due to complete cut of arterial blood supply.

p.5
Complications of Angina Pectoris

What is a potential outcome of angina pectoris that affects the heart's ability to pump blood?

Heart failure.

p.13
Chronic Ischemic Heart Disease and Heart Failure

What often precedes chronic ischemic heart disease?

Prior myocardial infarction (MI) and sometimes previous coronary arterial bypass graft surgery or other interventions.

p.1
Etiology of Ischemic Heart Disease

What is vasospasm in the context of ischemic heart disease?

Constriction of the blood vessels.

p.12
Complications of Myocardial Infarction

When does myocardial rupture typically occur after an infarction?

Within 4 to 7 days.

p.13
Chronic Ischemic Heart Disease and Heart Failure

What is chronic ischemic heart disease (IHD)?

Progressive heart failure resulting from ischemic myocardial damage.

p.3
Angina Pectoris: Definition and Characteristics

What qualities can angina pectoris pain have?

Constricting, squeezing, choking, or knifelike.

p.3
Angina Pectoris: Definition and Characteristics

Is there any death of heart tissue in angina pectoris?

No, there is no death of heart tissue in angina pectoris.

p.2
Complications of Myocardial Infarction

What is sudden cardiac death?

An unexpected death caused by loss of heart function, often due to arrhythmias or myocardial infarction.

p.10
Myocardial Infarction: Definition and Causes

What is the immediate change observed in ischemic heart disease (IHD)?

No apparent changes.

p.1
Definition of Ischemic Heart Disease (IHD)

What is ischemic heart disease (IHD)?

A group of closely related syndromes resulting from myocardial ischemia.

p.1
Etiology of Ischemic Heart Disease

What is the most common cause of ischemic heart disease?

Complicated coronary artery atherosclerosis, often accompanied by thrombosis.

p.7
Myocardial Infarction: Definition and Causes

Which ventricle is mainly affected by ischemic heart disease (IHD)?

The left ventricle.

p.12
Complications of Myocardial Infarction

What is a myocardial aneurysm?

A complication where a weakened area of the heart wall bulges and may contain thrombosis.

p.3
Angina Pectoris: Definition and Characteristics

What is angina pectoris?

Transient chest discomfort (pain) lasting from 15 seconds to 15 minutes.

p.10
Myocardial Infarction: Definition and Causes

What changes are observed in myocardial infarction (ME) by 12 to 72 hours?

Coagulative necrosis and inflammatory cells.

p.2
Clinical Variants of Ischemic Heart Disease

What are clinical variants of Ischemic Heart Disease?

Different presentations of IHD, including stable angina, unstable angina, and myocardial infarction.

p.7
Patterns of Myocardial Infarction

What is the most common site of myocardial infarction?

Anterior descending artery of the left coronary (40%).

p.6
Myocardial Infarction: Definition and Causes

What causes myocardial infarction?

When the severity or duration of ischemia is enough to cause cardiac muscle death.

p.4
Types of Angina Pectoris

What characterizes Prinzmetal (vasospastic) angina?

Occurs at rest due to coronary spasm.

p.9
Patterns of Myocardial Infarction

What is a transmural infarction?

An infarction involving the whole thickness of the heart.

p.11
Myocardial Infarction: Definition and Causes

What occurs in the late stage of myocardial infarction?

Fibrosis.

p.2
Chronic Ischemic Heart Disease and Heart Failure

What is chronic ischemic heart disease with heart failure?

A long-term condition where the heart is unable to pump effectively due to chronic ischemia.

p.4
Types of Angina Pectoris

What is stable angina?

Transient chest pain evoked by exercise or emotional stress, caused by fixed stenotic narrowing.

p.3
Angina Pectoris: Definition and Characteristics

What are common symptoms of angina pectoris?

Recurrent chest discomfort that can radiate down the left arm or to the left jaw.

p.2
Definition of Ischemic Heart Disease (IHD)

What is Ischemic Heart Disease (IHD)?

A condition characterized by reduced blood flow to the heart muscle, often due to coronary artery disease.

p.12
Complications of Myocardial Infarction

What is the most common cause of death in the first few hours following a myocardial infarction?

Arrhythmia.

p.7
Patterns of Myocardial Infarction

What is the second most common site of myocardial infarction?

Right coronary artery (40%).

p.12
Complications of Myocardial Infarction

What is chronic heart failure?

A long-term complication that can develop after a myocardial infarction.

p.5
Complications of Angina Pectoris

What serious condition can result from angina pectoris and involves damage to heart muscle?

Myocardial infarct.

p.9
Definition of Ischemic Heart Disease (IHD)

What is ischemic heart disease (IHD)?

A condition characterized by reduced blood flow to the heart muscle.

p.9
Patterns of Myocardial Infarction

What characterizes a circumferential subendocardial infarction?

It involves the sub-endocardium of the left and less commonly right ventricles, affecting the inner 1/3 to 1/2 of the myocardium.

p.2
Myocardial Infarction: Definition and Causes

What is myocardial infarction?

A medical emergency where blood flow to a part of the heart is blocked, causing tissue damage.

p.7
Patterns of Myocardial Infarction

What is the third site of myocardial infarction?

Circumflex branch of the left coronary.

p.6
Risk Factors for Myocardial Infarction

What are some risk factors for Ischemic Heart Disease?

Hypertension, cigarette smoking, diabetes mellitus, and genetic hypercholesterolemia.

p.13
Chronic Ischemic Heart Disease and Heart Failure

What is another term for chronic ischemic heart disease?

Ischemic cardiomyopathy.

p.3
Angina Pectoris: Definition and Characteristics

What causes angina pectoris?

Transient myocardial ischemia due to inadequate perfusion, lasting from seconds to minutes.

p.1
Etiology of Ischemic Heart Disease

What role does vasculitis play in ischemic heart disease?

It is one of the causes of myocardial ischemia.

p.4
Types of Angina Pectoris

What triggers unstable angina?

Severe pain precipitated by less effort, caused by disruption of the atherosclerotic plaque, with superimposed thrombosis, embolization, or spasm.

p.11
Myocardial Infarction: Definition and Causes

What is the time frame for hyperemic changes in myocardial infarction?

3 to 7 days.

p.11
Myocardial Infarction: Definition and Causes

What is observed in the myocardium by 3 to 7 days post-myocardial infarction?

Granulation tissue.

p.12
Complications of Myocardial Infarction

What is myocardial (pump) failure?

A complication of myocardial infarction where the heart cannot pump effectively.

p.7
Patterns of Myocardial Infarction

What areas are affected by an infarct in the right coronary artery?

Posterior wall of the left ventricle, posterior wall of the right ventricle, and posterior part of the interventricular septum.

p.5
Complications of Angina Pectoris

Which of the following is a complication of angina pectoris?
A) Hypertension
B) Ventricular fibrillation
C) Atrial fibrillation
D) Stroke
E) Arrhythmia

B) Ventricular fibrillation
Explanation: Ventricular fibrillation is a serious complication that can arise from angina pectoris, indicating a severe disruption in the heart's rhythm that can lead to cardiac arrest.

p.12
Complications of Myocardial Infarction

What is the most common cause of death in the first few hours following a myocardial infarction?
A) Myocardial rupture
B) Arrhythmia
C) Chronic heart failure
D) Myocardial aneurysm
E) Leg thrombosis

B) Arrhythmia
Explanation: Arrhythmia is noted as the most common cause of death shortly after a myocardial infarction, highlighting its critical impact on patient outcomes in the acute phase.

p.12
Complications of Myocardial Infarction

What complication occurs within 4-7 days after a myocardial infarction?
A) Chronic heart failure
B) Myocardial rupture
C) Myocardial aneurysm
D) Arrhythmia
E) Leg thrombosis

B) Myocardial rupture
Explanation: Myocardial rupture is a serious complication that can occur within 4-7 days following a myocardial infarction, primarily due to the action of neutrophilic liquefactive enzymes.

p.12
Complications of Myocardial Infarction

Which of the following complications involves the formation of a thrombus inside an aneurysm?
A) Myocardial rupture
B) Myocardial aneurysm
C) Arrhythmia
D) Chronic heart failure
E) Pulmonary embolism

B) Myocardial aneurysm
Explanation: A myocardial aneurysm can develop with thrombosis inside, representing a significant complication following a myocardial infarction.

p.5
Complications of Angina Pectoris

What is a potential outcome of untreated angina pectoris?
A) Increased stamina
B) Myocardial infarct
C) Improved circulation
D) Enhanced lung capacity
E) Decreased heart rate

B) Myocardial infarct
Explanation: A myocardial infarct, or heart attack, can occur as a serious complication of untreated angina pectoris, highlighting the importance of managing this condition effectively.

p.4
Types of Angina Pectoris

What triggers stable angina?
A) Rest
B) Exercise or emotional stress
C) Eating a large meal
D) Cold weather
E) High altitude

B) Exercise or emotional stress
Explanation: Stable angina is typically triggered by physical exertion or emotional stress, reflecting the increased oxygen demand on the heart when the coronary arteries are narrowed.

p.13
Chronic Ischemic Heart Disease and Heart Failure

What is ischemic heart disease (IHD) primarily characterized by?
A) Increased heart rate
B) Progressive heart failure due to ischemic myocardial damage
C) High blood pressure
D) Valve disorders
E) Arrhythmias

B) Progressive heart failure due to ischemic myocardial damage
Explanation: Ischemic heart disease (IHD) is characterized by progressive heart failure resulting from ischemic damage to the myocardium, highlighting its impact on heart function.

p.12
Complications of Myocardial Infarction

Which complication is characterized by the heart's inability to pump effectively after a myocardial infarction?
A) Myocardial rupture
B) Arrhythmia
C) Myocardial (pump) failure
D) Myocardial aneurysm
E) Leg thrombosis

C) Myocardial (pump) failure
Explanation: Myocardial (pump) failure is a complication that indicates the heart's reduced ability to pump blood effectively following a myocardial infarction.

p.4
Types of Angina Pectoris

What causes Prinzmetal (vasospastic) angina?
A) Fixed stenotic narrowing
B) Emotional stress
C) Coronary spasm
D) Atherosclerotic plaque rupture
E) High blood pressure

C) Coronary spasm
Explanation: Prinzmetal angina, also known as vasospastic angina, occurs due to coronary artery spasm, typically at rest, distinguishing it from other types of angina.

p.2
Myocardial Infarction: Definition and Causes

What is the primary cause of myocardial infarction?
A) Excessive exercise
B) Sudden cardiac arrest
C) Blockage of coronary arteries
D) High blood pressure
E) Heart valve malfunction

C) Blockage of coronary arteries
Explanation: Myocardial infarction is primarily caused by the blockage of coronary arteries, which leads to a lack of blood flow to the heart muscle, resulting in tissue damage.

p.1
Definition of Ischemic Heart Disease (IHD)

What is the definition of Ischemic Heart Disease (IHD)?
A) A condition caused by high blood pressure
B) A group of syndromes resulting from myocardial ischemia
C) A type of heart valve disease
D) A congenital heart defect
E) A form of heart failure

B) A group of syndromes resulting from myocardial ischemia
Explanation: Ischemic Heart Disease (IHD) is defined as a group of closely related syndromes that arise from myocardial ischemia, which is an imbalance between the heart's supply and demand for oxygenated blood.

p.5
Complications of Angina Pectoris

Which complication of angina pectoris involves the heart's inability to pump effectively?
A) Myocardial infarct
B) Heart failure
C) Ventricular fibrillation
D) Tachycardia
E) Bradycardia

B) Heart failure
Explanation: Heart failure is a complication of angina pectoris that occurs when the heart cannot pump blood effectively, leading to various symptoms and health issues.

p.12
Complications of Myocardial Infarction

What complication can arise due to prolonged confinement to bed after a myocardial infarction?
A) Myocardial rupture
B) Chronic heart failure
C) Leg thrombosis and pulmonary embolism
D) Arrhythmia
E) Myocardial aneurysm

C) Leg thrombosis and pulmonary embolism
Explanation: Prolonged confinement to bed can lead to leg thrombosis and pulmonary embolism, which are serious complications that can occur after a myocardial infarction.

p.13
Etiology of Ischemic Heart Disease

Which of the following may have been performed prior to the onset of chronic ischemic heart disease?
A) Heart transplant
B) Coronary arterial bypass graft surgery
C) Pacemaker insertion
D) Valve repair surgery
E) Angioplasty

B) Coronary arterial bypass graft surgery
Explanation: Chronic ischemic heart disease may occur after interventions such as coronary arterial bypass graft surgery, indicating previous attempts to restore blood flow to the heart.

p.9
Patterns of Myocardial Infarction

What is a characteristic of circumferential subendocardial infarction?
A) It affects the outer layer of the myocardium
B) It involves the sub-endocardium of the ventricles
C) It affects the entire heart
D) It is caused by a heart attack
E) It only affects the right ventricle

B) It involves the sub-endocardium of the ventricles
Explanation: Circumferential subendocardial infarction specifically affects the sub-endocardium of the left and, less commonly, the right ventricles, impacting the inner one-third to one-half of the myocardium.

p.7
Myocardial Infarction: Definition and Causes

Which artery is responsible for supplying blood to the posterior wall of the left ventricle?
A) Anterior descending artery
B) Circumflex branch of left coronary
C) Right coronary artery
D) Left coronary artery
E) Pulmonary artery

C) Right coronary artery
Explanation: The right coronary artery is responsible for supplying blood to the posterior wall of the left ventricle, as well as the posterior wall of the right ventricle and the posterior part of the interventricular septum.

p.2
Clinical Variants of Ischemic Heart Disease

Which of the following is a clinical variant of Ischemic Heart Disease?
A) Atrial fibrillation
B) Angina pectoris
C) Heart murmur
D) Hypertension
E) Heart valve stenosis

B) Angina pectoris
Explanation: Angina pectoris is a clinical variant of Ischemic Heart Disease, characterized by chest pain due to reduced blood flow to the heart muscle.

p.10
Ischemic Heart Disease (IHD)

What is the immediate change observed in ischemic heart disease (IHD)?
A) Coagulative necrosis
B) Pale to yellow appearance
C) No apparent changes
D) Inflammatory cells present
E) Complete tissue regeneration

C) No apparent changes
Explanation: Similar to myocardial infarction, ischemic heart disease shows no apparent changes immediately, indicating that the damage is not immediately visible.

p.10
Ischemic Heart Disease (IHD)

What change occurs in ischemic heart disease by 12 to 72 hours?
A) Complete healing
B) Coagulative necrosis and inflammatory cells
C) Regeneration of heart tissue
D) No changes observed
E) Increased blood flow

B) Coagulative necrosis and inflammatory cells
Explanation: By 12 to 72 hours after the onset of ischemic heart disease, coagulative necrosis and the presence of inflammatory cells are observed, indicating tissue damage and inflammation.

p.3
Angina Pectoris: Definition and Characteristics

What are common qualities of angina pectoris pain?
A) Sharp and sudden
B) Constricting, squeezing, choking, or knifelike
C) Dull and throbbing
D) Constant and unchanging
E) Burning and tingling

B) Constricting, squeezing, choking, or knifelike
Explanation: The pain associated with angina pectoris can have different qualities, including constricting, squeezing, choking, or knifelike sensations, which are characteristic of this condition.

p.6
Risk Factors for Myocardial Infarction

Which of the following is NOT a risk factor for ischemic heart disease?
A) Hypertension
B) Cigarette smoking
C) Diabetes mellitus
D) Genetic hypercholesterolemia
E) Regular physical activity

E) Regular physical activity
Explanation: Regular physical activity is generally considered beneficial for heart health and is not a risk factor for ischemic heart disease. The other options listed are recognized risk factors for atherosclerosis, which can lead to IHD.

p.7
Myocardial Infarction: Definition and Causes

Which part of the heart is primarily affected by ischemic heart disease (IHD)?
A) Right atrium
B) Left ventricle
C) Right ventricle
D) Left atrium
E) Pulmonary artery

B) Left ventricle
Explanation: The left ventricle is mainly affected by ischemic heart disease (IHD) because it is the primary pumping chamber of the heart, while the right ventricle receives blood from veins that open directly into its lumen.

p.10
Myocardial Infarction: Definition and Causes

What is the immediate change observed in myocardial infarction (MI)?
A) Coagulative necrosis
B) Pale to yellow appearance
C) No apparent changes
D) Inflammatory cells present
E) Complete tissue regeneration

C) No apparent changes
Explanation: Immediately after a myocardial infarction, there are no apparent changes observed in the affected tissue, indicating that the damage is not immediately visible.

p.3
Angina Pectoris: Definition and Characteristics

What is the definition of angina pectoris?
A) A type of heart attack
B) Transient chest discomfort lasting 15 seconds to 15 minutes
C) A chronic heart condition
D) A permanent heart condition
E) A type of stroke

B) Transient chest discomfort lasting 15 seconds to 15 minutes
Explanation: Angina pectoris is defined as transient chest discomfort or pain that lasts from 15 seconds to 15 minutes, indicating a temporary condition rather than a permanent one.

p.6
Myocardial Infarction: Definition and Causes

What causes myocardial infarction?
A) Excessive exercise
B) Complete cut of arterial blood supply leading to ischemia
C) Viral infections
D) High levels of physical activity
E) Low cholesterol levels

B) Complete cut of arterial blood supply leading to ischemia
Explanation: Myocardial infarction occurs when the severity or duration of ischemia is sufficient to cause cardiac muscle death, primarily due to a complete cut of arterial blood supply.

p.4
Types of Angina Pectoris

Which type of angina is associated with atherosclerotic plaque disruption?
A) Stable angina
B) Unstable angina
C) Prinzmetal angina
D) Chronic angina
E) Microvascular angina

B) Unstable angina
Explanation: Unstable angina is associated with the disruption of atherosclerotic plaques, leading to severe pain and potential complications such as thrombosis or embolization.

p.7
Myocardial Infarction: Definition and Causes

What area does the circumflex branch of the left coronary artery supply?
A) Anterior wall of the left ventricle
B) Posterior wall of the right ventricle
C) Lateral wall of the left ventricle
D) Apex of the heart
E) Interventricular septum

C) Lateral wall of the left ventricle
Explanation: The circumflex branch of the left coronary artery supplies the lateral wall of the left ventricle, which is crucial for the heart's overall function.

p.2
Definition of Ischemic Heart Disease (IHD)

What is Ischemic Heart Disease (IHD) primarily characterized by?
A) Increased blood flow to the heart
B) Reduced blood supply to the heart muscle
C) Normal heart function
D) Heart valve disorders
E) Congenital heart defects

B) Reduced blood supply to the heart muscle
Explanation: Ischemic Heart Disease (IHD) is primarily characterized by a reduced blood supply to the heart muscle, which can lead to various clinical manifestations such as angina pectoris and myocardial infarction.

p.13
Etiology of Ischemic Heart Disease

What often precedes chronic ischemic heart disease?
A) Sudden cardiac arrest
B) Prior myocardial infarction (MI)
C) Heart valve replacement
D) Hypertension
E) Diabetes

B) Prior myocardial infarction (MI)
Explanation: In most cases of chronic ischemic heart disease, there has been a prior myocardial infarction (MI), which contributes to the development of heart failure.

p.9
Patterns of Myocardial Infarction

What characterizes a transmural infarction?
A) Involves only the outer layer of the heart
B) Involves the whole thickness of the heart
C) Affects only the left ventricle
D) Is caused by vascular spasm
E) Affects only the right ventricle

B) Involves the whole thickness of the heart
Explanation: A transmural infarction is defined as one that affects the entire thickness of the heart muscle, indicating a severe level of damage.

p.9
Patterns of Myocardial Infarction

What causes circumferential subendocardial infarction?
A) Myocardial rupture
B) Hypo-perfusion
C) Coronary artery bypass
D) Atrial fibrillation
E) Valve disease

B) Hypo-perfusion
Explanation: Circumferential subendocardial infarction is primarily caused by hypo-perfusion, which leads to inadequate blood supply to the heart muscle.

p.2
Complications of Ischemic Heart Disease

What is a potential outcome of chronic Ischemic Heart Disease?
A) Improved heart function
B) Sudden cardiac death
C) Complete recovery
D) Increased exercise tolerance
E) Normal blood pressure

B) Sudden cardiac death
Explanation: Chronic Ischemic Heart Disease can lead to serious complications, including sudden cardiac death, due to the progressive deterioration of heart function.

p.11
Myocardial Infarction: Definition and Causes

What is observed in the myocardial infarction stage by 3-7 days?
A) Normal tissue
B) Hyperemic tissue
C) Necrotic tissue
D) Healthy myocardium
E) Calcified tissue

B) Hyperemic tissue
Explanation: By 3-7 days after a myocardial infarction, hyperemic tissue is observed, indicating increased blood flow to the area as part of the healing process.

p.3
Etiology of Ischemic Heart Disease

What is the primary cause of angina pectoris?
A) Permanent myocardial damage
B) Transit myocardial ischemia due to inadequate perfusion
C) High blood pressure
D) Heart valve disease
E) Arrhythmias

B) Transit myocardial ischemia due to inadequate perfusion
Explanation: Angina pectoris is primarily caused by transient myocardial ischemia resulting from inadequate perfusion, which can last from seconds to minutes before perfusion is restored.

p.6
Risk Factors for Myocardial Infarction

Which condition is associated with genetic hypercholesterolemia?
A) Low blood pressure
B) High cholesterol levels leading to atherosclerosis
C) Increased physical fitness
D) Decreased risk of heart disease
E) Normal cholesterol levels

B) High cholesterol levels leading to atherosclerosis
Explanation: Genetic hypercholesterolemia is a condition that results in high cholesterol levels, which is a significant risk factor for atherosclerosis and, consequently, ischemic heart disease.

p.7
Myocardial Infarction: Definition and Causes

What percentage of myocardial infarctions are attributed to the right coronary artery?
A) 20%
B) 30%
C) 40%
D) 50%
E) 60%

C) 40%
Explanation: The right coronary artery accounts for 40% of myocardial infarctions, affecting the posterior wall of the left ventricle and other areas.

p.11
Definition of Ischemic Heart Disease (IHD)

What is the primary characteristic of ischemic heart disease (IHD)?
A) Increased blood flow to the heart
B) Reduced blood supply to the heart
C) Normal heart function
D) Heart valve malfunction
E) Increased oxygen delivery to the heart

B) Reduced blood supply to the heart
Explanation: Ischemic heart disease (IHD) is primarily characterized by a reduced blood supply to the heart, which can lead to various complications, including myocardial infarction.

p.1
Etiology of Ischemic Heart Disease

What is the most common etiology of Ischemic Heart Disease?
A) Myocardial infarction
B) Complicated coronary artery atherosclerosis
C) Heart valve disease
D) Congenital heart defects
E) Arrhythmias

B) Complicated coronary artery atherosclerosis
Explanation: The most common etiology of Ischemic Heart Disease is complicated coronary artery atherosclerosis, which can lead to thrombosis and reduced blood flow to the heart muscle.

p.11
Complications of Myocardial Infarction

What occurs in the late stage of healing after myocardial infarction?
A) Increased blood flow
B) Fibrosis
C) Regeneration of muscle
D) Formation of new blood vessels
E) Normalization of heart function

B) Fibrosis
Explanation: In the late stage of healing after myocardial infarction, fibrosis occurs, which involves the formation of scar tissue that replaces the damaged myocardium.

p.7
Myocardial Infarction: Definition and Causes

What is the most common site of myocardial infarction?
A) Circumflex branch of left coronary
B) Right coronary artery
C) Anterior descending artery of left coronary
D) Left atrium
E) Right ventricle

C) Anterior descending artery of left coronary
Explanation: The anterior descending artery of the left coronary is the most common site for myocardial infarction, accounting for 40% of cases, affecting the anterior wall of the left ventricle and other areas.

p.4
Types of Angina Pectoris

What characterizes stable angina?
A) Severe pain at rest
B) Transient chest pain evoked by exercise or emotional stress
C) Pain caused by coronary spasm
D) Pain that occurs without any triggers
E) Pain that lasts for several hours

B) Transient chest pain evoked by exercise or emotional stress
Explanation: Stable angina is characterized by transient chest pain that occurs during physical exertion or emotional stress, caused by fixed stenotic narrowing of the coronary arteries.

p.1
Etiology of Ischemic Heart Disease

What does vasospasm refer to in the context of Ischemic Heart Disease?
A) The formation of blood clots
B) The constriction of blood vessels
C) The dilation of blood vessels
D) The hardening of arteries
E) The weakening of heart muscles

B) The constriction of blood vessels
Explanation: Vasospasm refers to the constriction of blood vessels, which can contribute to reduced blood flow and oxygen supply to the heart, playing a role in Ischemic Heart Disease.

p.1
Definition of Ischemic Heart Disease (IHD)

What is the primary issue in myocardial ischemia?
A) Excessive blood flow to the heart
B) Imbalance between supply and demand for oxygenated blood
C) Complete blockage of coronary arteries
D) Increased heart rate
E) Decreased heart muscle mass

B) Imbalance between supply and demand for oxygenated blood
Explanation: Myocardial ischemia occurs when there is an imbalance between the supply (perfusion) and demand for oxygenated blood in the heart, leading to insufficient oxygen for the heart muscle.

p.10
Myocardial Infarction: Definition and Causes

What change occurs in myocardial infarction by 12 to 72 hours?
A) Complete healing
B) Coagulative necrosis and inflammatory cells
C) Regeneration of heart tissue
D) No changes observed
E) Increased blood flow

B) Coagulative necrosis and inflammatory cells
Explanation: By 12 to 72 hours after a myocardial infarction, coagulative necrosis occurs along with the presence of inflammatory cells, indicating the body's response to the injury.

p.2
Chronic Ischemic Heart Disease and Heart Failure

Which condition is associated with chronic Ischemic Heart Disease?
A) Acute respiratory distress
B) Heart failure
C) Diabetes mellitus
D) Stroke
E) Peripheral artery disease

B) Heart failure
Explanation: Chronic Ischemic Heart Disease is often associated with heart failure, as the heart's ability to pump effectively diminishes over time due to ongoing ischemia.

p.11
Myocardial Infarction: Definition and Causes

What type of tissue is formed in the late stage of myocardial infarction?
A) Granulation tissue
B) Muscle tissue
C) White scar tissue
D) Adipose tissue
E) Cartilage

C) White scar tissue
Explanation: In the late stage of myocardial infarction, white scar tissue is formed, which is a result of the healing process following the initial damage.

p.3
Angina Pectoris: Definition and Characteristics

What is a key characteristic of angina pectoris regarding heart tissue?
A) It causes permanent damage to heart tissue
B) It leads to heart failure
C) There is no death of heart tissue
D) It always results in a heart attack
E) It causes inflammation of the heart

C) There is no death of heart tissue
Explanation: A key characteristic of angina pectoris is that there is no death of heart tissue, distinguishing it from more severe conditions like myocardial infarction.

p.9
Patterns of Myocardial Infarction

What is multifocal microinfarction associated with?
A) Large vessel occlusion
B) Small vessel microembolization
C) Coronary artery disease
D) Heart valve dysfunction
E) Atrial septal defect

B) Small vessel microembolization
Explanation: Multifocal microinfarction occurs due to small vessel microembolization, vasculitis, or vascular spasm, indicating a more diffuse pattern of ischemic damage.

p.13
Chronic Ischemic Heart Disease and Heart Failure

What is another term for chronic ischemic heart disease with heart failure?
A) Myocardial infarction
B) Ischemic cardiomyopathy
C) Congestive heart failure
D) Atrial fibrillation
E) Coronary artery disease

B) Ischemic cardiomyopathy
Explanation: Chronic ischemic heart disease with heart failure is referred to as ischemic cardiomyopathy, indicating the specific type of heart muscle disease resulting from ischemia.

p.4
Types of Angina Pectoris

What is a key feature of unstable angina?
A) It occurs only during sleep
B) It is precipitated by minimal effort
C) It is always accompanied by nausea
D) It is caused by fixed stenosis
E) It is relieved by rest

B) It is precipitated by minimal effort
Explanation: Unstable angina is characterized by severe chest pain that can occur with minimal effort or even at rest, often due to disruption of an atherosclerotic plaque, leading to thrombosis or spasm.

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Etiology of Ischemic Heart Disease

Which of the following is NOT a cause of Ischemic Heart Disease?
A) Vasculitis
B) Myocardial ischemia
C) High cholesterol
D) Vasospasm
E) Atrial fibrillation

E) Atrial fibrillation
Explanation: Atrial fibrillation is not a direct cause of Ischemic Heart Disease; rather, it is an arrhythmia that can occur as a complication. The primary causes include vasculitis, vasospasm, and myocardial ischemia.

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Patterns of Myocardial Infarction

Which type of infarction affects the inner one-third to one-half of the myocardium?
A) Transmural infarction
B) Circumferential subendocardial infarction
C) Multifocal microinfarction
D) Total occlusion infarction
E) Regional infarction

B) Circumferential subendocardial infarction
Explanation: Circumferential subendocardial infarction specifically affects the inner one-third to one-half of the myocardium, distinguishing it from other types of infarctions.

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Myocardial Infarction: Definition and Causes

What is the definition of ischemic heart disease (IHD)?
A) A condition caused by high blood pressure
B) A massive area of coagulative necrosis of myocardium due to complete cut of arterial blood supply
C) A type of heart valve disease
D) A chronic lung disease affecting heart function
E) A temporary reduction in blood flow to the heart

B) A massive area of coagulative necrosis of myocardium due to complete cut of arterial blood supply
Explanation: Ischemic heart disease (IHD) is defined as a massive area of coagulative necrosis of the myocardium resulting from a complete interruption of arterial blood supply, leading to significant heart damage.

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Chronic Ischemic Heart Disease and Heart Failure

What is a common outcome of ischemic myocardial damage in chronic IHD?
A) Increased exercise tolerance
B) Improved cardiac output
C) Progressive heart failure
D) Decreased heart rate
E) Enhanced myocardial perfusion

C) Progressive heart failure
Explanation: Progressive heart failure is a common outcome of ischemic myocardial damage in chronic ischemic heart disease, reflecting the deterioration of heart function over time.

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Risk Factors for Myocardial Infarction

What is a common risk factor for ischemic heart disease?
A) Low sodium intake
B) Hypertension
C) High fiber diet
D) Regular sleep patterns
E) Low stress levels

B) Hypertension
Explanation: Hypertension is a well-known risk factor for ischemic heart disease, contributing to the development of atherosclerosis and increasing the likelihood of myocardial infarction.

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Myocardial Infarction: Definition and Causes

What is the characteristic tissue observed by 3-7 days in the healing process of myocardial infarction?
A) Fibrosis
B) Granulation tissue
C) Necrotic tissue
D) Healthy myocardium
E) Inflammatory tissue

B) Granulation tissue
Explanation: By 3-7 days after myocardial infarction, granulation tissue is formed, which is an essential part of the healing process as it replaces necrotic tissue.

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Clinical Variants of Ischemic Heart Disease

Where can angina pectoris pain radiate?
A) Down the right arm
B) To the left jaw or down the left arm
C) To the back only
D) To the stomach
E) To the legs

B) To the left jaw or down the left arm
Explanation: Angina pectoris pain can radiate down the left arm or to the left jaw, which is a common symptom associated with this condition.

Study Smarter, Not Harder
Study Smarter, Not Harder