[[Hypertension]] can be classified as either '''essential''' (primary) or secondary. '''Essential hypertension''' indicates that no specific medical cause can be found to explain a patient's condition. About 95% of hypertension is essential hypertension. [[Secondary hypertension]] indicates that the high blood pressure is a result of (''i.e.'', secondary to) another condition, such as [[kidney disease]] or tumours (adrenal adenoma or pheochromocytoma).
[[Hypertension]] can be classified as either '''essential''' (primary) or secondary. '''Essential hypertension''' indicates that no specific medical cause can be found to explain a patient's condition. About 95% of hypertension is essential hypertension. [[Secondary hypertension]] indicates that the high blood pressure is a result of (''i.e.'', secondary to) another condition, such as [[kidney disease]] or tumours (adrenal adenoma or pheochromocytoma).
Hypertension can be classified as either essential (primary) or secondary. Essential hypertension indicates that no specific medical cause can be found to explain a patient's condition. About 95% of hypertension is essential hypertension. Secondary hypertension indicates that the high blood pressure is a result of (i.e., secondary to) another condition, such as kidney disease or tumours (adrenal adenoma or pheochromocytoma).
