Primary high blood pressure is disease mechanisms contribute to the development of high blood pressure. The factors include
Genetics
High salt intake
Low physical activity & Obesity
Insulin resistance
Renin – angiotensin system
Sympathetic nervous system
Intrauterine nutrition and low birth weight
Secondary high blood pressure These are unusual but are important because the cause may be heal Endocrine causes:
Cushing’s syndrome
Conn’s syndrome Pheochromocytoma
Hyper / Hypothyroidism
Acromegaly
Hyperparathyroidism
Exogenous hormones, e.g. contraceptive pills, glucocorticoids.
Renal causes:
Glomerulonephritis
Diabetic nephropathy
Polycystic kidney disease
Renal artery stenosis.
Other causes:
Coarctation of the aorta
Pregnancy associated hypertension
Alcohol
Acute stres.