A patient with paroxysmal supraventricular tachycardia receives rapid intravenous adenosine. Which response should the nurse expect briefly after administration?
Correct answer: B. A short period of flushing or chest discomfort
- A. Prolonged severe hypertension
- B. A short period of flushing or chest discomfort
- C. Permanent complete heart block
- D. Immediate increased urine production
Explanation
Adenosine briefly slows conduction through the atrioventricular node and may cause transient flushing, chest discomfort or a brief pause in rhythm. These effects usually resolve quickly, but continuous cardiac monitoring is required.
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About Cardiovascular and Respiratory Drugs
Cardiovascular and respiratory drugs include antihypertensives, diuretics, antianginal agents, antiarrhythmics, cardiac glycosides, anticoagulants, bronchodilators, corticosteroids and cough medicines. Questions focus on mechanisms, indications, contraindications, toxicity and monitoring, especially the difference between drugs that reduce blood pressure, improve cardiac output or open narrowed airways.
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50 free Cardiovascular and Respiratory Drugs MCQs from Nursing Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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