Which of the following lists includes commonly used IV drugs for malignant hypertension?

Prepare for the Adult CCRN Exam with multiple choice questions and explanations. Dive into detailed topics to enhance your critical care nursing knowledge. Excel in your certification!

Multiple Choice

Which of the following lists includes commonly used IV drugs for malignant hypertension?

Explanation:
In malignant hypertension, the goal is rapid but controlled reduction of blood pressure using IV medications that act quickly and can be titrated to avoid dropping pressure too fast. A broad mix of IV drugs from several classes is used so you can tailor therapy to the patient’s response and any accompanying problems like chest pain or tachycardia. Nitroprusside is a potent IV vasodilator that lowers systemic vascular resistance rapidly, making it a go-to in hypertensive emergencies. Labetalol provides both alpha- and beta-blockade, lowering BP with less reflex tachycardia. Nicardipine, a calcium channel blocker, is valuable for steady, controllable BP reduction. Esmolol is an ultra-short-acting beta-blocker useful when tachycardia or sympathetic surge accompanies the crisis. Hydralazine is another powerful IV vasodilator option, though it can cause tachycardia and fluid retention, so it’s chosen based on the clinical picture. Nitrates, such as nitroglycerin, help especially if there is chest pain or myocardial ischemia alongside the hypertensive crisis. Enalaprilat, the IV form of an ACE inhibitor, provides another mechanism of lowering BP via RAAS inhibition, useful when renal function is a consideration and afterload reduction is desired. The other lists aren’t as appropriate because they either contain agents not used to acutely lower BP in a hypertensive emergency—such as vasopressors that raise blood pressure—or focus on diuretics, which do not provide the rapid, titratable control needed in this setting. The combination in the described list covers multiple mechanisms and offers flexible, rapid BP management essential in malignant hypertension.

In malignant hypertension, the goal is rapid but controlled reduction of blood pressure using IV medications that act quickly and can be titrated to avoid dropping pressure too fast. A broad mix of IV drugs from several classes is used so you can tailor therapy to the patient’s response and any accompanying problems like chest pain or tachycardia.

Nitroprusside is a potent IV vasodilator that lowers systemic vascular resistance rapidly, making it a go-to in hypertensive emergencies. Labetalol provides both alpha- and beta-blockade, lowering BP with less reflex tachycardia. Nicardipine, a calcium channel blocker, is valuable for steady, controllable BP reduction. Esmolol is an ultra-short-acting beta-blocker useful when tachycardia or sympathetic surge accompanies the crisis. Hydralazine is another powerful IV vasodilator option, though it can cause tachycardia and fluid retention, so it’s chosen based on the clinical picture. Nitrates, such as nitroglycerin, help especially if there is chest pain or myocardial ischemia alongside the hypertensive crisis. Enalaprilat, the IV form of an ACE inhibitor, provides another mechanism of lowering BP via RAAS inhibition, useful when renal function is a consideration and afterload reduction is desired.

The other lists aren’t as appropriate because they either contain agents not used to acutely lower BP in a hypertensive emergency—such as vasopressors that raise blood pressure—or focus on diuretics, which do not provide the rapid, titratable control needed in this setting. The combination in the described list covers multiple mechanisms and offers flexible, rapid BP management essential in malignant hypertension.

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy