Many factors and causes are contributory in hypertensive crises. The most common cause is patients with diagnosed, chronic hypertension who have discontinued anti hypertensive medications. Other common causes of hypertensive crises are autonomic hyperactivity such as pheochromocytoma, collagen-vascular diseases, drug use particularly stimulants, cocaine and amphetamines and their substituted analogues, monoamine oxidase inhibitors or food-drug interactions, spinal cord disorders, glomerulonephritis, head trauma, neoplasias, preeclampsia and eclampsia, hyperthyroidism and renovascular hypertension. People withdrawing from medications such as clonidine or beta-blockers have been frequently found to develop hypertensive crises. It is important to note that these conditions exist outside of<unk> , in that patients diagnosed with these conditions are at increased risk of<unk> es or end organ failure.
Hypertensive emergency
Intracranial hypertension syndrome
Hypertensive crisis
Hypertensive urgency
Subarachnoid hemorrhage
ROSAH syndrome
Idiopathic intracranial hypertension
Labile hypertension