Hypertensive Emergency Flashcards
Indications for the rapid lowering of systolic BP (usually to < 140 mm Hg) in the first hour of treatment include :
severe pre-eclampsia or eclampsia
aortic dissection
pheochromocytoma
Mean Arterial pressure=__+__
⅓ systolic pressure + ⅔ Diastolic
Preferred intravenous antihypertensive for HEm+
Aortic dissection
esmolol
+
Sodium
Nitroprusside
Preferred intravenous antihypertensive for HEm+
Pulmonary edema
Nitroglycerin
NO BB
Preferred intravenous antihypertensive for HEm+
MI
Nitroglycerin
except if prior sildenafil, tadalafil in 48h
Preferred intravenous antihypertensive for HEm+
Eclampsia
Hydralazine
or
labetalol
Preferred intravenous antihypertensive for HEm+
dysrhythmias
esmolol
Preferred intravenous antihypertensive for HEm+
perioperative HTN
esmolol
Preferred intravenous antihypertensive for HEm+ Cathecolamine excess (pheochromocytoma)
Phentolamine
Preferred intravenous antihypertensive for HEm+
CHF
Sodium
Nitroprusside
or
Enalapril
Preferred intravenous antihypertensive for HEm+ renal failure
Fenoldopam
(dopamine
receptor
antagonist)
Preferred intravenous antihypertensive for HEm+ STROKE
Labetalol
or dihydropyridine calcium channel blockers:
Clevidipine
Nicardipine
The drugs most commonly used to treat hypertensive emergencies are
nitroprusside, labetalol, and nicardipine.
Mean arterial pressure should not be lowered by more than __% within the first hour, except in special cases
25