A patient is admitted to the surgical ward after abdominal surgery. He has an indwelling urinary catheter connected to a drainage bag. After 3 days of admission, the nurse noticed that the patient's urine is cloudy and his temperature is 102° F. The nurse suspects that the patient may have a nosocomial infection. Which of the following indicates the meaning of nosocomial infection?

1. A

   Infection from contaminated water

2. B

   Infection acquired during a hospital stay

3. C

   Infection from polluted air

4. D

   Infection acquired in the home environment

Appeared in: UP NHM CHO 7 Sept 2022(shift-1st)

Explanation

• A nosocomial infection, also called a Hospital-Acquired Infection (HAI), is defined as an infection acquired during a hospital stay that was not present or incubating at the time of admission.
• Infections that manifest 48 hours or more after admission are generally considered nosocomial.
• The patient in the scenario developed symptoms of a UTI three days after surgery and catheterization, which fits the classic definition of a nosocomial infection.
• The most common types of HAIs include catheter-associated urinary tract infections (CAUTI), surgical site infections (SSI), central line-associated bloodstream infections (CLABSI), and ventilator-associated pneumonia (VAP).

Why Other Options Were Wrong

• Option A: This describes a waterborne illness, which is a mode of transmission, not the definition of a nosocomial infection. A nosocomial infection is defined by where it is acquired (a healthcare setting), not how.
• Option C: This describes an airborne infection. Like the waterborne option, this refers to the route of transmission, not the location where the infection was contracted, which is the key to defining a nosocomial infection.
• Option D: This defines a community-acquired infection, which is the direct opposite of a nosocomial infection. Community-acquired infections are contracted outside of a healthcare facility.

Related Visual

Clinical Relevance

• Nursing practice connection: Knowing Definition of Nosocomial Infection (Hospital-Acquired Infection) helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
• Preventing nosocomial infections is a primary patient safety goal and a key responsibility for nurses. HAIs lead to increased patient morbidity, mortality, length of stay, and healthcare costs.
• Catheter-Associated Urinary Tract Infection (CAUTI) is one of the most common HAIs. Nurses are at the forefront of prevention through meticulous aseptic insertion technique, regular catheter care, and advocating for timely removal.
• What if the patient had cloudy urine and a fever on the day of admission? In that case, the infection would be classified as community-acquired, as it was present before or at the time of entering the hospital.

How to Approach the Question

• First, analyze the clinical scenario: A patient is hospitalized and then develops signs of infection.
• Identify the key terms in the question: 'nosocomial infection' and 'meaning of'. This indicates the question is asking for a definition.
• Focus on the timeline: The symptoms (cloudy urine, fever) appeared 3 days after admission. This is a critical clue that the infection was not present on arrival.
• Evaluate the options based on the definition of 'nosocomial'. This term specifically relates to a hospital setting.
• Eliminate options that describe a source of infection (water, air) rather than the location of acquisition.
• Differentiate between 'hospital-acquired' and 'home environment' (community-acquired). The scenario clearly points to the hospital setting, making 'Infection acquired during a hospital stay' the correct definition.

Concept Tested & Keywords

• Concept Tested: Definition of Nosocomial Infection (Hospital-Acquired Infection)
• Stem keywords: nosocomial infection, abdominal surgery, indwelling urinary catheter, cloudy urine, fever
• Lead-in keywords: meaning of
• Clinical cues: The patient developed symptoms (cloudy urine, fever) 3 days after admission, indicating the infection was not present upon arrival.
• Clinical cues: The presence of an indwelling urinary catheter is a major risk factor for hospital-acquired urinary tract infections (CAUTI).

Question ID

QKxkgZ_m26NNd9xIEeTZG7

Copy ID

Reference Book

E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart C (pp 404-604 of 604) p. 25-27

E6 Nursing Fundamentals Taylor p. 167-169