Vasodilators Flashcards
1
Q
What are the vasodilator drugs and what is their MOA?
A
Hydralazine and Minoxidil
Vasodilators do not act through specific receptors but work directly to relax the vascular smooth muscle of arteries/arterioles causing:
arterial vasodilation
increased blood flow to tissues
2
Q
What are indications for treatment when prescribing vasodilators?
A
HTN (add on); Severe resistant HTN (Minoxidil bc it is a potent vasodilator
HF (Hydralazine)
3
Q
What are contraindications for prescribing vasodilators?
A
CAD: vasodilators can cause reflex tachycardia
Aortic Aneurysms
4
Q
What are side effects of vasodilators?
A
Reflex tachycardia
Fluid Retention
Lupus like syndrome with Hydralazine
Excessive hair growth with Minoxidil
