Table 1.

Overview of epidemiology of hypertensive crisis [6, 19, 25, 102].

Prevalence	Acute severe hypertension	Malignant hypertension	Hypertensive emergencies
	0.9% among patients presenting to emergency department (defined as hypertensive urgencies)	1–2/100,000 in Caucasian population	0.3% among patients presenting to emergency department
	11% in a predominantly African American population	7.3/100,000 in African American population	3.2% of an African American population