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Questions and Answers
What is the time frame during which a nosocomial infection typically first appears after admission to a hospital?
Which of the following patients is at greater risk for acquiring a nosocomial infection?
Which procedure is NOT commonly associated with an increased risk of nosocomial infections?
What are common symptoms of a nosocomial infection?
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Which factor is associated with a higher risk of hospital-acquired infections in children?
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What might be an early indicator of a nosocomial infection?
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Which of the following is NOT a risk factor for acquiring nosocomial infections?
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What is a possible serious outcome of untreated nosocomial infections?
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Study Notes
Definition
- Nosocomial infections are hospital-acquired infections emerging 48 hours to four days post-admission.
Causes
- All hospitalized patients are susceptible to infections due to treatment or surgery.
- High-risk groups for nosocomial infections include young children, the elderly, and immunocompromised individuals.
- CDC reports a 6.1% infection rate among children in intensive care, primarily linked to venous catheters and ventilator-associated pneumonia.
- Risk factors for pediatric infections encompass:
- Parenteral nutrition (tube or IV feeding)
- Prolonged antibiotic use (>10 days)
- Use of invasive devices
- Poor postoperative status
- Immune dysfunction
- Additional risk factors for adults and children:
- Lengthy hospital stays
- Severity of underlying illness
- Nutritional or immune deficiency
- Use of indwelling catheters
- Inadequate hand hygiene among healthcare workers
- Prevalence of antibiotic-resistant bacteria due to excessive antibiotic use
- Common invasive procedures leading to increased infection risk:
- Urinary catheterization
- Intubation or mechanical ventilation
- Surgeries and management of surgical wounds
- Gastric drainage tube insertion
- IV procedures for medications and nutrition
Symptoms
- Fever is typically the initial indicator of infection.
- Additional signs include:
- Rapid breathing
- Mental confusion
- Low blood pressure
- Decreased urine output
- Elevated white blood cell count
- Urinary Tract Infection (UTI) symptoms: painful urination, hematuria (blood in urine).
- Pneumonia indications: difficulty breathing and inability to cough.
- Localized infections manifest as swelling, redness, and tenderness around wounds, potentially leading to severe tissue destruction and sepsis.
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Description
This quiz explores the causes and risk factors associated with nosocomial infections, particularly in hospitalized patients. It focuses on vulnerable populations such as children, the elderly, and immunocompromised individuals, along with various challenges in infection control. Test your knowledge on prevention strategies and infection rates in healthcare settings.
