Page 78 - Radiology Book

Pressors
Pressors
Agent Dose Range IV Calcium Channel Blockers
Bolus IV
Infusion
HR
BP
CO
SVR
CVP
Receptor
Half-life
Nicardipine
0.5-15 mg/hr 0.25-0.35 mg/kg 2.5-20 mg
-
1-15 mg/hr 5-15 mg/hr
~
~
CCB - DHP CCB
CCB
8.6 hr 3.4 hr 2-5 hr
Diltiazem Verapamil Vasodilators Nitroglycerin Nitroprusside
5-20 mg 2.5-10 mg
-
~
Hydralazine
2-20 mg/dose
- Decrease,
-
Direct vasodilator of arteries
3-7 hr
5-200 mcg/min 0.1-5 mcg/kg/min
50-100
0.2-10
~
Vasodilator
1-3 2
(mcg)
(mcg/kg/min)
(min)
50-100 5-10 mg
0.25-10
~
Vasodilator
- Slight Decrease, ~ - Unchanged
~ - Unchanged or increased, DHP - Dihydropyridine, CCB - Calcium Channel blocker, V - Vasopressin receptor
- Increase,
- Slight Increase,
- Unchanged or Decrease, - Increase or Decrease depending on clinical circumstances
D - Dopamine Receptor, α - Alpha, β - Beta, Red and Blue arrows are only to emphasize differences Southfield16
Pressors