According etiology of hypertension is divided into several categories types

According to cause types, hypertension can be divided into primary hypertension and secondary hypertension. In patients with hypertension about 90% for hypertension, about 10% of secondary hypertension. (1) essential hypertension: Hypertension, the pathogenesis of many theories, but the real cause is not yet fully explained, in clinical arterial blood pressure increased as the main performance. (2) secondary hypertension: is secondary to a disease or a particular reason after a certain increase in blood pressure, the application of modern medical technology can find its etiology, most of which can be treated by surgery to remove the causes of hypertension are cured. For example, secondary to acute and chronic glomerulonephritis, such as renal artery stenosis kidney disease after renal hypertension, secondary to pheochromocytoma, and other endocrine diseases of the endocrine after hypertension, secondary to brain tumors and other diseases after the neurogenic hypertension, and mechanical flow obstacles hypertension, high iatrogenic blood pressure, pregnancy induced hypertension and other causes of hypertension.