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

a systolic murmur

ventricular dysrhythmias

a pericardial friction rub

renal insufficiency

Answer and Explanation

The Correct Answer is B

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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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. sublingual nitroglycerin each day to prevent chest pain." B. clopidergrol to prevent clots from forming." C. atorvastatin at bedtime to reduce my cholesterol levels." D. metoprolo! to decrease my heart's need for oxygen."

Correct Answer is A

Explanation

A. Sublingual nitroglycerin each day to prevent chest pain:
The statement about taking sublingual nitroglycerin daily is incorrect. Sublingual nitroglycerin is prescribed as needed for acute chest pain (angina) or for relieving chest discomfort associated with myocardial infarction (MI). It is not intended for daily use as a preventive measure. The client should be educated to use sublingual nitroglycerin only when experiencing chest pain, and if the pain persists or worsens, they should seek immediate medical help. Daily or routine use of nitroglycerin should be avoided unless specifically instructed by a healthcare provider. The client should also be educated about other preventive measures like long-acting nitrates if needed for chest pain prevention.

Explanation of other options:

B. Clopidogrel to prevent clots from forming:
This statement is correct. Clopidogrel (Plavix) is an antiplatelet medication commonly prescribed after a myocardial infarction to help prevent the formation of blood clots, which can reduce the risk of future cardiovascular events such as stroke or further heart attacks. It works by inhibiting platelets from clumping together, which is crucial in the post-MI period.

C. Atorvastatin at bedtime to reduce my cholesterol levels:
This statement is correct. Atorvastatin is a statin medication that is used to lower cholesterol levels, particularly LDL cholesterol (the "bad" cholesterol), which contributes to atherosclerosis and increases the risk of further heart problems. Statins are often prescribed after a myocardial infarction to help reduce the risk of future events. Taking atorvastatin at bedtime is also a common recommendation because cholesterol synthesis is higher during the night.

D. Metoprolol to decrease my heart's need for oxygen:
This statement is correct. Metoprolol is a beta-blocker that reduces the heart rate and blood pressure, which in turn lowers the heart's oxygen demand. After a myocardial infarction, beta-blockers like metoprolol are commonly prescribed to prevent further heart damage, reduce ischemia, and decrease the likelihood of arrhythmias. They help in the management of heart failure as well by improving the heart's efficiency.

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

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Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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