A client is admitted for treatment of pulmonary edema. Which medication will the nurse administer to improve the force of cardiac contraction for this client?

Warfarin

Enalapril

Bumetanide

Dobutamine

Answer and Explanation

The Correct Answer is D

a. Warfarin: Warfarin is an anticoagulant medication used to prevent blood clot formation. While it is commonly prescribed for certain cardiac conditions such as atrial fibrillation or mechanical heart valves to prevent thromboembolic events, it does not directly improve the force of cardiac contraction. Therefore, warfarin is not the appropriate medication for improving cardiac contraction in a client with pulmonary edema.

b. Enalapril: Enalapril is an angiotensin-converting enzyme (ACE) inhibitor used to manage hypertension and heart failure. While ACE inhibitors can help reduce preload and afterload on the heart, leading to improved cardiac function over time, they do not directly improve the force of cardiac contraction acutely. Therefore, enalapril is not the appropriate medication for improving cardiac contraction in a client with pulmonary edema.

c. Bumetanide: Bumetanide is a loop diuretic medication used to promote diuresis and reduce fluid overload in conditions such as heart failure and pulmonary edema. While reducing fluid overload can indirectly improve cardiac function by reducing preload on the heart, loop diuretics do not directly improve the force of cardiac contraction.

d. Dobutamine: Dobutamine is a positive inotropic medication that directly stimulates beta-1 adrenergic receptors in the heart, leading to increased myocardial contractility (force of cardiac contraction) and improved cardiac output. It is commonly used in the treatment of acute heart failure, including pulmonary edema, to enhance cardiac function and reduce symptoms of congestion.

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Correct Answer is ["A","B","C","E"]

Explanation

a. Abdominal distension: Abdominal distension can occur in cases of severe digoxin toxicity due to its effects on gastrointestinal motility. Digoxin toxicity can lead to nausea, vomiting, and abdominal discomfort, which can contribute to abdominal distension. Therefore, abdominal distension is consistent with digoxin toxicity.

b. Digoxin level 4.1 ng/ml (0.8-2.0ng/ml): Digoxin levels above the therapeutic range (0.8-2.0 ng/ml) indicate digoxin toxicity. A level of 4.1 ng/ml is significantly higher than the therapeutic range, confirming digoxin toxicity.

c. Blurry vision: Blurry vision is a common symptom of digoxin toxicity. Visual disturbances, such as yellow or green halos around lights or changes in color vision, can occur due to digoxin's effects on the optic nerve. Therefore, blurry vision is consistent with digoxin toxicity.

d. Increased platelet level: Digoxin toxicity typically does not cause an increase in platelet levels. Instead, it can lead to thrombocytopenia (a decrease in platelet levels) due to its effects on bone marrow function. Therefore, increased platelet levels are not consistent with digoxin toxicity.

e. Arrhythmia: Digoxin toxicity can cause various cardiac arrhythmias, including atrial tachycardia, atrioventricular block, and ventricular tachycardia. Therefore, experiencing arrhythmias is consistent with digoxin toxicity.

A. Brain natriuretic peptide (BNP) B. Cardiac enzymes C. Blood urea nitrogen and creatinine D. PT/INR

Correct Answer is D

Explanation

Brain natriuretic peptide (BNP): BNP is a hormone released by the heart in response to increased ventricular pressure and volume overload. It is typically elevated in conditions such as heart failure. While monitoring BNP levels may provide information about cardiac function and volume status, it is not specifically ordered for managing a mechanical valve.

b. Cardiac enzymes: Cardiac enzymes, such as troponin and creatine kinase (CK), are markers of myocardial damage and are typically elevated in conditions such as myocardial infarction. They are not specifically ordered for managing a mechanical valve unless there are signs or symptoms suggestive of myocardial ischemia or infarction.

c. Blood urea nitrogen and creatinine:- Monitoring blood urea nitrogen (BUN) and creatinine levels is important for assessing renal function, especially in individuals at risk of renal impairment due to factors such as medications or underlying conditions. While renal function is important in overall cardiac management, these tests are not specifically ordered for managing a mechanical valve unless there are concerns about renal function due to medications such as anticoagulants.

d. PT/INR (Prothrombin Time/International Normalized Ratio): PT/INR monitoring is crucial for managing patients with mechanical heart valves, as these valves are thrombogenic and increase the risk of thromboembolic events such as stroke or valve thrombosis. Warfarin, an oral anticoagulant, is commonly prescribed to maintain therapeutic anticoagulation. PT/INR monitoring helps ensure that the patient is within the target therapeutic range to prevent both thrombotic and bleeding complications associated with the mechanical valve.

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A client is admitted for treatment of pulmonary edema. Which medication will the nurse administer to improve the force of cardiac contraction for this client?

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Explanation

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Correct Answer is D

Explanation

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