Why should one be cautious in a hospital setting?
Because of the dangers posed by nosocomial infections.
What contributes to the accumulation of patients with infections in hospitals?
The presence of respiratory pathogens and increased risk for acquiring infections.
1/132
p.1
Risk Factors for Hospital-Acquired Infections

Why should one be cautious in a hospital setting?

Because of the dangers posed by nosocomial infections.

p.2
Risk Factors for Hospital-Acquired Infections

What contributes to the accumulation of patients with infections in hospitals?

The presence of respiratory pathogens and increased risk for acquiring infections.

p.3
Types of Hospital-Acquired Infections

How can hospital outbreaks occur?

Through contamination and transmission among patients and healthcare workers.

p.4
Spread of Nosocomial Pathogens

How do nosocomial pathogens typically spread?

Through direct contact, contaminated surfaces, and medical equipment.

p.8
Urinary Tract Infections: Causes and Prevention

What is typically done during a cystoscopy?

Biopsies are usually taken during the examination.

p.23
Bloodstream Infections from Intravascular Catheters

What is the first step in preventing intravascular Catheter Associated Bloodstream Infection (CABSI)?

Hand hygiene.

p.9
Urinary Tract Infections: Causes and Prevention

What is a risk factor for urinary tract infections from drainage bags?

Entry from contaminated urine in the drainage bag.

p.12
Common Causes of Nosocomial Infections

What should be done to the outlet of the drainage bag before and after emptying?

Disinfect the outlet with an alcohol wipe.

p.21
Bloodstream Infections from Intravascular Catheters

What is a common cause of bacteremia related to intravascular catheterization?

Contamination during insertion or during container change.

p.8
Urinary Tract Infections: Causes and Prevention

What is a cystoscope?

A flexible tube used to view the structure of the bladder.

p.9
Urinary Tract Infections: Causes and Prevention

What can lead to urinary tract infections during catheter movement?

Late entry during movement along the catheter.

p.22
Bloodstream Infections from Intravascular Catheters

What is a common source of contamination in catheter hubs?

Medical staff’s normal flora.

p.23
Bloodstream Infections from Intravascular Catheters

Which solution should be used to prepare the skin before catheter insertion?

Chlorhexidine solution (2%).

p.14
Common Causes of Nosocomial Infections

What does MRSA stand for?

Methicillin-resistant Staphylococcus aureus.

p.17
Types of Hospital-Acquired Infections

When should the dressing be replaced?

Only if excess oozing is noted.

p.17
Types of Hospital-Acquired Infections

What hygiene practice should be performed before and after touching the surgical site?

Hand hygiene.

p.17
Types of Hospital-Acquired Infections

What solution should be used to remove surface bacteria and discharge from the wound?

Normal saline.

p.10
Common Causes of Nosocomial Infections

What does biofilm formation allow bacteria to do?

It allows for multiplication.

p.6
Common Causes of Nosocomial Infections

What percentage of hospital-acquired infections (HAIs) are urinary tract infections?

~32%.

p.3
Common Causes of Nosocomial Infections

What are some common sources of contamination that can lead to nosocomial infections?

Instruments, clothing, environment, healthcare workers, and other patients.

p.24
Common Causes of Nosocomial Infections

What is a major risk factor for Clostridium difficile infection (CDI)?

Antibiotic exposure.

p.4
Risk Factors for Hospital-Acquired Infections

What role do healthcare workers play in the spread of nosocomial pathogens?

They can transmit pathogens through hand contact and inadequate hygiene practices.

p.26
Clostridium difficile Infections: Risks and Control Measures

What conclusion can be drawn about alcohol hand rub's effectiveness against C. difficile?

It is NOT effective in removal of C. difficile.

p.16
Surgical Site Infections: Pathogens and Prevention

What is the recommended method for skin preparation before surgery?

Application of antiseptic and using a clipper instead of a razor.

p.16
Surgical Site Infections: Pathogens and Prevention

What technique should be applied for surgical hand preparation?

Surgical hand-rubbing technique.

p.12
Common Causes of Nosocomial Infections

What is the first step to take before emptying a drainage bag?

Perform hand hygiene.

p.22
Bloodstream Infections from Intravascular Catheters

What can lead to contamination during catheter insertion?

Contamination during insertion.

p.22
Bloodstream Infections from Intravascular Catheters

What type of flora can contaminate catheter hubs from the patient?

Patient’s normal flora.

p.16
Surgical Site Infections: Pathogens and Prevention

What is antibiotic prophylaxis and when is it indicated?

It is the use of antibiotics before surgery, indicated in surgeries involving implants or expected high blood loss.

p.2
Risk Factors for Hospital-Acquired Infections

What effect does antibiotic therapy have on patients?

It disturbs normal flora and increases the prevalence of antibiotic-resistant pathogens.

p.4
Common Causes of Nosocomial Infections

What is the significance of antibiotic resistance in nosocomial infections?

It makes infections harder to treat and increases the risk of complications.

p.17
Types of Hospital-Acquired Infections

What should be done before performing a dressing change?

Perform hand hygiene.

p.13
Surgical Site Infections: Pathogens and Prevention

Which pathogen is much less common than Staphylococcus aureus in surgical site infections?

Pseudomonas aeruginosa.

p.5
Common Nosocomial Pathogens

Which pathogen is known for its resistance and is commonly found in healthcare settings?

Pseudomonas spp.

p.18
Common Nosocomial Pathogens

Which pathogen is associated with pneumonia and is known for its resistance to antibiotics?

Pseudomonas spp.

p.15
Surgical Site Infections: Pathogens and Prevention

What is the primary focus of the image linked?

Bacteriology of surgical procedures.

p.8
Urinary Tract Infections: Causes and Prevention

How are patients often prepared for a cystoscopy?

Patients are often anesthetized locally during the procedure.

p.3
Risk Factors for Hospital-Acquired Infections

What role does antibiotic pressure play in nosocomial infections?

It assists in the development and spread of these infections.

p.20
Ventilator-Associated Pneumonia: Prevention Strategies

What mouthwash is recommended for preventing ventilator-associated pneumonia?

Chlorhexidine mouthwash, at least two times a day.

p.17
Types of Hospital-Acquired Infections

How long should the operative wound be covered with a sterile dressing?

24 - 48 hours.

p.14
Common Causes of Nosocomial Infections

What type of antibiotics is MRSA resistant to?

β-lactam antibiotics, such as methicillin.

p.16
Surgical Site Infections: Pathogens and Prevention

When should antibiotic prophylaxis be administered?

Just before surgery, within 120 minutes.

p.16
Surgical Site Infections: Pathogens and Prevention

What type of antibiotics should be used for prophylaxis?

Narrow spectrum antibiotics instead of broad spectrum.

p.14
Risk Factors for Hospital-Acquired Infections

Who is at higher risk for MRSA infections?

Immuno-compromised patients.

p.7
Risk Factors for Hospital-Acquired Infections

Who are the vulnerable groups for urinary tract infections?

Catheterized patients and patients undergoing urological procedures.

p.1
Definition and Impact of Nosocomial Infections

What is a potential consequence of nosocomial infections?

They may cause death.

p.20
Ventilator-Associated Pneumonia: Prevention Strategies

When should the ventilator be disconnected to help prevent pneumonia?

Once patients can breathe on their own.

p.11
Urinary Tract Infections: Causes and Prevention

What technique should be used when handling catheters?

Aseptic technique with sterile equipment.

p.23
Bloodstream Infections from Intravascular Catheters

When should a catheter be removed to prevent CABSI?

When it is not needed.

p.22
Bloodstream Infections from Intravascular Catheters

What is hematogenous spread in relation to catheter infections?

The spread of infection through the bloodstream.

p.14
Common Causes of Nosocomial Infections

Where can MRSA be commonly found in healthy individuals?

On the skin or in the nose.

p.14
Common Causes of Nosocomial Infections

What types of infections can MRSA cause?

Serious infections, including those from open wounds or invasive devices.

p.13
Surgical Site Infections: Pathogens and Prevention

What is the main pathogenic microbe associated with surgical site infections?

Staphylococcus aureus.

p.7
Common Nosocomial Pathogens

What are the main pathogenic microbes associated with urinary tract infections?

E. coli, Candida auris, Klebsiella spp, Proteus spp, Pseudomonas spp, and Serratia spp.

p.23
Bloodstream Infections from Intravascular Catheters

What technique should be applied during catheter insertion to prevent CABSI?

Aseptic technique.

p.6
Common Causes of Nosocomial Infections

What proportion of urinary tract infections are device-related?

~2/3.

p.2
Risk Factors for Hospital-Acquired Infections

How does surgery increase the risk of nosocomial infections?

It can create wounds that are susceptible to infections.

p.24
Common Nosocomial Pathogens

What type of organism is Clostridium difficile?

Anaerobic spore-forming bacillus.

p.2
Risk Factors for Hospital-Acquired Infections

Who is at increased risk for nosocomial infections due to immuno-suppressive therapy?

Patients who are immuno-compromised because of their disease.

p.4
Types of Hospital-Acquired Infections

What environments are particularly conducive to the spread of nosocomial pathogens?

Intensive care units and surgical wards.

p.14
Common Causes of Nosocomial Infections

What are some examples of invasive devices that can lead to MRSA infections?

Intravenous catheters and urinary catheters.

p.25
Clostridium difficile Infections: Risks and Control Measures

What type of hand hygiene is recommended for healthcare workers when dealing with CDI?

Perform hand hygiene with alcohol and hand washing.

p.5
Common Nosocomial Pathogens

What is Escherichia coli's role in nosocomial infections?

It is a common pathogen that can cause various infections, including urinary tract infections.

p.13
Surgical Site Infections: Pathogens and Prevention

What type of environment can contribute to the transmission of surgical site infections?

A 'dry' environment, such as linen, air, or dust.

p.18
Common Nosocomial Pathogens

Which virus is associated with pneumonia and is part of the parainfluenza group?

Parainfluenza virus.

p.9
Urinary Tract Infections: Causes and Prevention

How can a failed closed drainage system contribute to urinary tract infections?

By allowing entry through failed closed drainage.

p.26
Clostridium difficile Infections: Risks and Control Measures

What was the mean decrease in colony counts for warm water and soap?

1.76 Log 10 CFU/ml.

p.2
Risk Factors for Hospital-Acquired Infections

What physical barriers are often compromised in hospital settings?

Intravascular devices and urinary catheters.

p.12
Common Causes of Nosocomial Infections

How can you prevent contamination when emptying a drainage bag?

Prevent the outlet from touching the container.

p.12
Common Causes of Nosocomial Infections

What should be done immediately after removing gloves?

Perform hand hygiene.

p.11
Urinary Tract Infections: Causes and Prevention

Where should the urine drainage bag be located?

Below the bladder.

p.6
Common Causes of Nosocomial Infections

What proportion of bloodstream infections are device-related?

~80%.

p.24
Risk Factors for Hospital-Acquired Infections

What can disturb the colonic microflora leading to CDI?

Antimicrobial therapy.

p.16
Surgical Site Infections: Pathogens and Prevention

Which antibiotics are mentioned for prophylaxis?

Cefazolin and cefuroxime.

p.13
Surgical Site Infections: Pathogens and Prevention

What are some sources of transmission of surgical site infections from hospital staff?

From septic lesions of other patients.

p.18
Transmission of Hospital-Acquired Infections

How is viral pneumonia transmitted?

Similar to bacterial infections.

p.9
Urinary Tract Infections: Causes and Prevention

What is a common cause of urinary tract infections related to catheter use?

Early entry during catheter insertion.

p.7
Transmission of Infections

How can urinary tract infections be transmitted?

Through the patient's own fecal or skin flora and contaminated equipment like urinary catheters or endoscopes.

p.23
Bloodstream Infections from Intravascular Catheters

What type of drape should be used during catheter insertion?

One piece drape.

p.26
Clostridium difficile Infections: Risks and Control Measures

What was the confidence interval for cold water and soap?

1.29 – 2.23.

p.11
Urinary Tract Infections: Causes and Prevention

What should be avoided to prevent UTI related to catheters?

Routine irrigation of the catheter.

p.21
Bloodstream Infections from Intravascular Catheters

How can contamination occur due to container defects?

Defects in the container can lead to bacterial contamination.

p.10
Common Causes of Nosocomial Infections

How does biofilm formation affect host defense?

It avoids host defense mechanisms.

p.21
Bloodstream Infections from Intravascular Catheters

What does an in-line filter do in relation to bacteria and endotoxins?

It traps bacteria but allows endotoxin to pass through.

p.21
Bloodstream Infections from Intravascular Catheters

What malfunction can lead to contamination in intravascular catheterization?

Malfunctioning air inlet filter.

p.25
Clostridium difficile Infections: Risks and Control Measures

What personal protective equipment must healthcare workers and visitors use when entering a room of a patient with CDI?

Gloves and gowns.

p.18
Common Nosocomial Pathogens

What is a common pathogen that can cause pneumonia and is often found in hospital settings?

Staphylococcus aureus.

p.20
Ventilator-Associated Pneumonia: Prevention Strategies

What is one method to prevent ventilator-associated pneumonia?

Elevate the head of the bed between 30° and 45°.

p.11
Urinary Tract Infections: Causes and Prevention

When should a catheter be replaced to prevent UTI?

If it has been in place for more than two weeks.

p.4
Common Nosocomial Pathogens

What are nosocomial pathogens?

Infectious agents that are acquired in a hospital setting.

p.6
Common Causes of Nosocomial Infections

What percentage of surgical site infections is related to prosthetic implants?

~20%.

p.6
Common Causes of Nosocomial Infections

What percentage of lower respiratory infections are device-related?

~40%.

p.6
Common Causes of Nosocomial Infections

What percentage of HAIs are bacteremia or bloodstream infections?

~14%.

p.24
Common Causes of Nosocomial Infections

How is Clostridium difficile primarily transmitted?

Fecal-oral transmission through contaminated environment and hands of healthcare personnel.

p.5
Common Nosocomial Pathogens

What is MRSA?

Methicillin-resistant Staphylococcus aureus, a common nosocomial pathogen.

p.24
Risk Factors for Hospital-Acquired Infections

Who is at higher risk for Clostridium difficile infection?

Elderly individuals and patients with severe illness.

p.18
Common Nosocomial Pathogens

What is a main pathogenic microbe associated with pneumonia?

Mycobacterium tuberculosis.

p.5
Common Nosocomial Pathogens

What is Candida auris?

An emerging multidrug-resistant fungus that is a common nosocomial pathogen.

p.18
Common Nosocomial Pathogens

What is a common viral pathogen that can lead to pneumonia, especially in children?

Rhinovirus.

p.1
Definition and Impact of Nosocomial Infections

What is a nosocomial infection?

A hospital-acquired infection (HAI).

p.3
Definition and Impact of Nosocomial Infections

What are nosocomial infections?

Infections acquired in a hospital setting.

p.12
Common Causes of Nosocomial Infections

What personal protective equipment should be worn when emptying a drainage bag?

Clean gloves.

p.6
Common Causes of Nosocomial Infections

What percentage of HAIs are surgical site infections?

~22%.

p.26
Clostridium difficile Infections: Risks and Control Measures

How effective were antiseptic hand wipes in removing C. difficile?

Mean decrease of 0.59 Log 10 CFU/ml.

p.11
Urinary Tract Infections: Causes and Prevention

What is important to check in a closed drainage system?

Routine checks to ensure it is functioning properly.

p.21
Bloodstream Infections from Intravascular Catheters

What is a potential source of contamination during the manufacture of intravenous products?

Contamination during manufacture.

p.11
Urinary Tract Infections: Causes and Prevention

What should be done cautiously when managing a urine drainage bag?

Emptying the urine drainage bag.

p.25
Clostridium difficile Infections: Risks and Control Measures

What is the recommended accommodation for patients with Clostridium difficile infection (CDI)?

Patients should be accommodated in a single room.

p.5
Common Nosocomial Pathogens

What type of infection is Clostridium difficile associated with?

It is a common nosocomial pathogen known for causing severe diarrhea.

p.18
Common Nosocomial Pathogens

Which bacteria is known for causing pneumonia and is part of the upper respiratory flora?

Streptococcus pneumoniae.

p.18
Common Nosocomial Pathogens

Which virus is a main pathogenic microbe associated with pneumonia?

Respiratory syncytial virus.

p.10
Common Causes of Nosocomial Infections

What is a biofilm?

A structured community of microorganisms that can form on surfaces, such as urinary catheters.

p.22
Bloodstream Infections from Intravascular Catheters

What can contaminated fluid lead to in catheter use?

Infection in the bloodstream.

p.10
Common Causes of Nosocomial Infections

What is one of the key advantages of biofilm for bacteria?

It resists antibiotics.

p.19
Ventilator-Associated Pneumonia: Prevention Strategies

What is one method to prevent aerosolization in ventilator-associated pneumonia?

Use a closed suction system.

p.13
Surgical Site Infections: Pathogens and Prevention

Which gram-negative pathogen is mentioned as a cause of surgical site infections?

E. coli.

p.13
Surgical Site Infections: Pathogens and Prevention

How can surgical site infections be transmitted from the patient?

Through the patient's own skin or nasal flora.

p.26
Clostridium difficile Infections: Risks and Control Measures

What was the mean decrease in colony counts for alcohol hand rub?

-0.09 Log 10 CFU/ml.

p.24
Types of Hospital-Acquired Infections

What condition is associated with Clostridium difficile infection?

Pseudomembranous colitis.

p.2
Risk Factors for Hospital-Acquired Infections

What is a common cause of exposure to pathogens in healthcare settings?

Needle-stick injuries.

p.4
Prevention Strategies for Nosocomial Infections

What preventive measures can reduce the spread of nosocomial pathogens?

Hand hygiene, sterilization of equipment, and isolation of infected patients.

p.13
Surgical Site Infections: Pathogens and Prevention

What type of organism is Candida auris?

A fungus.

p.18
Common Nosocomial Pathogens

What viral pathogen is known to cause pneumonia and is commonly associated with seasonal outbreaks?

Influenza virus.

p.19
Ventilator-Associated Pneumonia: Prevention Strategies

Why should the ventilator's humidifier be positioned below bed level?

To prevent condensation from draining toward the patients.

p.24
Common Causes of Nosocomial Infections

What is the prerequisite for Clostridium difficile infection?

Acquisition of toxigenic C. difficile and toxin production.

p.18
Common Nosocomial Pathogens

What is another pathogen that can cause pneumonia, particularly in hospital environments?

Acinetobacter spp.

p.21
Bloodstream Infections from Intravascular Catheters

How can contamination occur through the catheter itself?

Bacteria can enter through the catheter.

p.18
Transmission of Hospital-Acquired Infections

How can pneumonia-causing bacteria be transmitted?

From the patient's own upper respiratory flora, hospital environment, or mechanical ventilators.

p.18
Common Nosocomial Pathogens

Which virus can cause pneumonia and is known for its ability to infect the respiratory tract?

Adenovirus.

p.21
Bloodstream Infections from Intravascular Catheters

What is a potential entry point for contamination in intravascular catheterization?

The entry point of the catheter.

p.25
Clostridium difficile Infections: Risks and Control Measures

What is the recommended cleaning agent for environmental cleansing in CDI cases?

Household bleach at least 1000 ppm (1:49) or 5000 ppm (1:9).

p.5
Common Nosocomial Pathogens

What type of bacteria does Enterococcus spp. represent?

A group of bacteria that can cause infections in healthcare settings.

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