Peripheral Vasodilators ppt Flashcards Preview

Anesthesia Pharm II > Peripheral Vasodilators ppt > Flashcards

Flashcards in Peripheral Vasodilators ppt Deck (74)
Loading flashcards...
61

All drugs that are direct acting on b/p do what to HR and why?

increase it, b/c they have no cv effects

62

********************
hydralazine MOA

k+ channels????
NO????

63

******************
hydralazine can cause what r/t heart rate

tachycardia

64

*************
what type of pt would benifit from hydralazine?

hypertensive bradycardic pt

65

*****************
hydralazine
dose
onset
duration

5-20 mg
up to 15 min
2-4 hrs

66

*****
what to remember about hydralazine administration

dont get the urge to re bolus give it time to work you cant take it back

67

how should you mix hydralazine

20mg in 1cc so mix in 3cc to get 5mg/cc

68

******
can u use hydralazine in PIH

does water ripple when a duck farts????
you bet your ass it does!!!!!!

69

*******************
what periphreal vasodilator drug is endogenous to all cells of the body? it is the MOST potent vasodilator released by cardiac cells

adenosine

70

***********
how does adenosine work

opens K+ channels, hyperpolarizing nodal tissue an dmaking it less likely to fire-
leads to an av block and slows sinus rate

71

adenosine affects what preload or afterload

afterload

72

*****
what is teh adenosine dose for controlled hypotension

60-120mcg/kg/min

73

**************
dose for adenosine

6mg 1-2 sec
12mg 1-2 sec
may repeat once

74

adenosine is only FDA approved for what?

SVT