The nurse is admitting a client who is on a ventilator. The client has a medical diagnosis of acute respiratory distress syndrome (ARDS). Which infection control guideline is of greatest importance?

Hand washing before and after client contact

Placement of an indwelling urinary catheter using sterile technique

Initiate neutropenic precautions

Clean technique with central IV line care

Answer and Explanation

The Correct Answer is A

A. Hand washing before and after client contact: The most important infection control guideline when caring for a client with acute respiratory distress syndrome (ARDS) who is on a ventilator is hand hygiene. This is because ventilated patients are at high risk for ventilator-associated pneumonia (VAP) and other infections. Hand washing is the most effective method of preventing the spread of pathogens that could lead to nosocomial infections. The nurse should perform proper hand hygiene both before and after any patient interaction, as this is critical in preventing the transmission of bacteria or viruses, especially in patients with compromised respiratory systems.

Explanation of each option:

B. Placement of an indwelling urinary catheter using sterile technique:
While using sterile technique when placing an indwelling urinary catheter is essential to prevent urinary tract infections (UTIs), it is not the top priority for infection control in this situation. The primary concern for infection in ARDS patients who are on mechanical ventilation is preventing respiratory infections, particularly ventilator-associated pneumonia (VAP). Although catheter-associated infections should be prevented, the most immediate concern is preventing respiratory-related infections.

C. Initiate neutropenic precautions:
Neutropenic precautions are important for patients who have immunocompromised conditions (such as those undergoing chemotherapy or with bone marrow suppression) to protect them from infections. However, ARDS does not necessarily compromise the immune system in the same way. The priority infection control measure for a patient on a ventilator with ARDS is preventing respiratory infections. Therefore, neutropenic precautions would not be the most relevant or highest priority in this case.

D. Clean technique with central IV line care:
Maintaining clean technique with central intravenous (IV) line care is important to prevent infections, such as central line-associated bloodstream infections (CLABSI). However, the most critical infection control measure for a patient on a ventilator with ARDS is still to focus on preventing respiratory infections, particularly ventilator-associated pneumonia (VAP). While IV line care is important, it is secondary to preventing respiratory tract infections in this scenario.

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Correct Answer is D

Explanation

A. Similar to the angina attacks you had in the past:
This response is not entirely accurate. Angina refers to chest pain that occurs when the heart's demand for oxygen exceeds its supply, usually due to partial blockage of the coronary arteries. NSTEMI (non-ST elevation myocardial infarction) is different from angina in that it involves actual heart muscle injury or damage due to partial or intermittent blockage of a coronary artery, whereas angina does not cause permanent heart muscle damage. Therefore, describing NSTEMI as similar to past angina attacks would be misleading.

B. A condition characterized by coronary arteries vasodilating:
This is incorrect. NSTEMI occurs due to a partial blockage or narrowing of the coronary arteries, usually caused by a blood clot that forms around a ruptured atherosclerotic plaque. The blockage restricts blood flow to the heart muscle, causing injury or infarction. Vasodilation (the widening of blood vessels) is not a characteristic of NSTEMI; in fact, it is the constriction or blockage of the coronary arteries that leads to this type of heart attack.

C. A term used to describe an irregular heartbeat:
This is incorrect. NSTEMI is not related to an irregular heartbeat or arrhythmia directly. While arrhythmias (irregular heartbeats) can occur as a result of a heart attack, NSTEMI specifically refers to a type of heart attack that is not accompanied by the characteristic ST-segment elevation seen on an electrocardiogram (ECG) in a STEMI (ST-elevation myocardial infarction). It indicates a partial blockage of a coronary artery and is generally less severe than STEMI.

D. Is a less severe type of heart attack compared to STEMI:
This is the most accurate response. NSTEMI is a type of heart attack that is often considered less severe than STEMI, but still involves heart muscle injury. The difference between NSTEMI and STEMI lies in the ECG findings: STEMI involves a full-thickness myocardial infarction with a significant blockage of the artery, as indicated by ST-segment elevation on an ECG. In NSTEMI, there is a partial blockage or temporary decrease in blood flow, and the ST-segment does not elevate on the ECG, but biomarkers (like troponin) are elevated, indicating heart muscle damage. NSTEMI is often less severe in terms of the extent of damage compared to STEMI, but it still requires urgent treatment to prevent further complications.

A. a systolic murmur B. ventricular dysrhythmias C. a pericardial friction rub D. renal insufficiency

Correct Answer is B

Explanation

A. A systolic murmur: A systolic murmur is often associated with valvular heart disease, particularly mitral regurgitation, which can sometimes result from papillary muscle dysfunction after a myocardial infarction. However, a systolic murmur is not a typical or immediate complication following an anterior-lateral wall MI. The focus in the early hours after an MI should be on more acute complications, such as dysrhythmias and hemodynamic stability, rather than a murmur, which may develop more gradually over time.

B. Ventricular dysrhythmias: Ventricular dysrhythmias are one of the most common and life-threatening complications in the immediate hours following an acute myocardial infarction (MI), especially with an anterior-lateral wall MI. These dysrhythmias occur due to the electrical disturbances caused by myocardial injury and ischemia. The heart muscle becomes more susceptible to abnormal electrical activity after the infarction, and monitoring for ventricular tachycardia or fibrillation is crucial. These arrhythmias can lead to sudden cardiac arrest, which is why they are a high priority for monitoring in the immediate post-MI period.

C. A pericardial friction rub: A pericardial friction rub is a sign of pericarditis, which can occur after an MI, particularly several days to a week later, rather than in the immediate post-MI period. While pericarditis is a possible complication of MI, it is less likely to present immediately after the infarction, especially in the first few hours. The nurse should monitor for pericarditis, but it is not as high a priority as dysrhythmias during the first hours after MI.

D. Renal insufficiency: While renal insufficiency can develop as a result of poor perfusion or shock following a myocardial infarction, it is not one of the most immediate or common complications to watch for in the first hours after an anterior-lateral MI. The primary concern in this acute phase is monitoring for cardiovascular complications, such as dysrhythmias, rather than renal function. Renal insufficiency would be a secondary concern, particularly if the patient is hypotensive or experiencing other signs of multi-organ involvement.

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The nurse is admitting a client who is on a ventilator. The client has a medical diagnosis of acute respiratory distress syndrome (ARDS). Which infection control guideline is of greatest importance?

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Naxlex Comprehensive Predictor Exams

The client tells the nurse, "My physician told me that I had a non-ST elevation myocardial infarction (NSTEMI). " I thought all heart attacks were the same. Can you explain this to me?" The nurse's best response to the client's question would be: "NSTEMI is

Correct Answer is D

Explanation

The nurse monitors the client in the immediate hours following an anterior-lateral wall myocardial infarction for the development of:

Correct Answer is B

Explanation

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