Topic summary
Hypertensive

Extracted from the Wikipedia article Hypertension.
Hypertensive crisis
Severely elevated blood pressure (equal to or greater than a systolic pressure of 180 mmHg or a diastolic pressure of 120 mmHg) is referred to as a hypertensive crisis. Hypertensive crisis is categorized as either hypertensive urgency or hypertensive emergency, according to the absence or presence of end-organ damage, respectively.