A client is prescribed oral amiodarone for recurrent ventricular dysrhythmias. The nurse should teach the client to notify the physician if which symptom develops?

Edema of ankles

Shortness of breath

Fatigue after exercise

Abdominal fullness

Answer and Explanation

The Correct Answer is B

A. Edema of ankles: While peripheral edema may be associated with worsening cardiac function or side effects from other medications, it is not a hallmark adverse effect of amiodarone. It warrants evaluation but is not the most urgent symptom related to this drug.

B. Shortness of breath: Amiodarone is a potent antiarrhythmic medication with several potential serious side effects, including pulmonary toxicity. This can manifest as interstitial pneumonitis or pulmonary fibrosis, which may present as new or worsening shortness of breath cough, and chest pain. This is a potentially life-threatening complication and requires immediate medical attention.

C. Fatigue after exercise: Exercise-induced fatigue can result from many conditions, including heart disease or deconditioning, but it is a nonspecific symptom. It does not point directly to a serious adverse reaction from amiodarone.

D. Abdominal fullness: Abdominal fullness is not typically associated with amiodarone. It may relate to gastrointestinal or hepatic issues, but it is not as immediately concerning as respiratory symptoms suggestive of pulmonary toxicity.

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Correct Answer is A

Explanation

A. Narrowed pulse pressure: Aortic stenosis leads to obstruction of blood flow from the left ventricle to the aorta during systole, reducing systolic pressure while diastolic pressure remains unchanged or slightly elevated. This results in a narrowed pulse pressure, a classic finding in moderate to severe aortic stenosis.

B. Sinus tachycardia: While tachycardia can occur in response to decreased cardiac output or stress, it is not a defining feature of aortic stenosis. The hallmark findings relate more directly to fixed cardiac output and valve obstruction.

C. Apical diastolic murmur: Aortic stenosis produces a systolic ejection murmur, best heard at the right second intercostal space and radiating to the carotids. An apical diastolic murmur would suggest mitral stenosis or other diastolic valve pathology.

D. S3 heart sound: An S3 is more indicative of volume overload and heart failure rather than valvular stenosis. While advanced aortic stenosis can lead to heart failure, the S3 is not a primary or early manifestation of this condition.

A. hypermagnesemia. B. hypocalcemia. C. hypokalemia. D. hyperglycemia.

Correct Answer is C

Explanation

A. Hypermagnesemia: Hypermagnesemia (high magnesium levels) can cause bradycardia, hypotension, and prolonged PR and QRS intervals. While it can affect cardiac rhythm, it's less commonly associated with PVCs. The client's magnesium level of 2.5 mg/dL is within the normal range (1.5-2.5 mg/dL).

B. Hypocalcemia: While the calcium level of 8.0 mg/dL is slightly low (normal: ~8.5–10.5 mg/dL), mild hypocalcemia is less commonly associated with PVCs compared to hypokalemia. It can affect cardiac contractility but is not the most likely cause of these arrhythmias.

C. Hypokalemia: The potassium level is 2.8 mEq/L, which is significantly below normal (normal: 3.5–5.0 mEq/L). Potassium is a crucial electrolyte for maintaining normal cardiac electrical activity. Hypokalemia increases myocardial excitability and can lead to various cardiac dysrhythmias and a known cause of ventricular irritability, including multifocal PVCs, and increases the risk of life-threatening arrhythmias in clients with cardiac or metabolic conditions.

D. Hyperglycemia: The glucose level of 200 mg/dL is elevated but not severely high. While it reflects poor glycemic control, it is not directly linked to the occurrence of PVCs. Electrolyte imbalances, particularly low potassium, are more arrhythmogenic.

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Potassium 2.8 mEq/L
Sodium 133 mEq/L
Chloride 90 mEq/L
Glucose 200 mg/dl
Magnesium 2.5 mg/dL
Calcium 8.0 mg/dL

A client is prescribed oral amiodarone for recurrent ventricular dysrhythmias. The nurse should teach the client to notify the physician if which symptom develops?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse understands that which of the following is a manifestation of aortic stenosis?

Correct Answer is A

Explanation

Correct Answer is C

Explanation

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