Vasodilators Flashcards
1
Q
Why is clonidine sometimes a good choice as an antihypertensive?
A
It decreases systolic BP moreso than diastolic
BUT
Doesn’t impact homeostatic reflexes, so orthostatic hypotension and exercise induced hypotension can be avoided
2
Q
What are the most common side effects of clonidine?
A
sedation
xerostomia
3
Q
The two major physiologic mechanisms that cause ectopic cardiac arrhythmias are:
A
Reentry
Enhanced Automaticity
4
Q
Why do people tend to go into VFib during stress states?
A
SNS activity lowers the threshold for ventricular fibrillation
