Not much is known about the epidemiology of<unk> es. Retrospective analysis of data from 1,290,804 adults admitted to hospital emergency departments in United States from 2005 through 2007 found that severe hypertension with a systolic blood pressure ≥180 mmHg occurred in 13.8% of patients. Based on another study in a US public teaching hospital about 60% of<unk>  crises are due to<unk> es. Risk factors for severe hypertension include older age, female sex, obesity, coronary artery disease, somatoform disorder, being prescribed multiple antihypertensive medications, and non-adherence to medication.
Hypertensive urgency
Paroxysmal hypertension
White coat hypertension
Labile hypertension
Orthostatic hypertension
Benign hypertension
Secondary hypertension
Exercise hypertension