5. Category Hypertension Normal < 130/< 85 Recheck in 2 years.
High Normal 130–139/ 85–89 Recheck in 1 year
Hypertension
Stage 1 (mild) 140–159/90–99 Confirm within 2 months
Stage 2 (moderate) 160–179/100–109 Evaluate or refer within 1 month
Stage 3 (severe) 180–209/110–119 Evaluate or refer within 1 week
Stage 4 (very severe) > 210 /> 120 Evaluate or refer immediately

13. MANAGEMENT OF HYPERTENSION
Primary (Essential) Hypertension
Secondary Hypertension

14. Primary (Essential) Hypertension
Sympathetic nervous system hyperactivity
Renin-angiotensin system
Defect in natriuresis
Intracellular sodium and calcium
Exacerbating factors

15. Secondary Hypertension
Estrogen use
Renal disease
Renal vascular hypertension
Primary hyperaldosteronism and Cushing's syndrome
Pheochromocytoma
Coarctation of the aorta
Hypertension associated with pregnancy
Other causes of secondary hypertension

62. ANTIHYPERTENSIVE DRUG THERPY

63. Antihypertensive drugs
Diuretics.
Beta-adrenergic blocking agents
ACE inhibitors and angiotensin II blockers
Calcium channel-blocking agents
Alpha-adrenoceptor antagonists