Types of hypertension

Types of hypertension
1) Essential hypertension for which no cause is defined 90% of cases belong to this group
2) Secondary hypertension in which an under lying disease is present
Causes of secondary hypertension
Alcohol consumption
Smoking
Renal disorders like glomerluonephritis renal vascular disease, polycystic kidney disease
Endocrine disorders hyperaldosteronism, Cushing syndrome, pheochromacytoma, hyperthyroidism, hypothyroidism, adrenal hyperplasia, and acromegaly
Drugs like oral contraceptives (estrogen containing), steroids, aspirin ibuprofen other NSAIDS.
3) White coat hypertension .About 20% of patients gets their BP reading high when a doctor is taking the value, probably because of anxiety. If their BP is recorded by some one else at home the value is correct.
4) Accelerated hypertension. Signifies recent increase in previous levels of BP associated with vascular damage. Swelling of optic nerve may occur. pappiloedema
5) Malignant hypertension. It is a dangerous condition where BP rises to very high values, usually 200/130 or more. It is accompanied with very high level of damage to multiple organs. Retinal hemorrhage in both eyes may occur.