Hypertensive emergency: phentolamine is agent of choice
2.5-5mg IV q5-15min until blood pressure controlled
Duration of action <1 hour
Beta-blockers contraindicated
2.5-5mg IV q5-15min until blood pressure controlled
Duration of action <1 hour
Tyramine reaction
Hypertensive emergency
Dinitrophenol toxicity
Stroke
Camphor toxicity
Sympathetic crashing acute pulmonary edema
Ipecac toxicity
Ischemic stroke