Mainly there are two abnormality regarding blood pressure first is hypertension which means high blood pressure and another is hypotension means low blood pressure. High blood pressure or hypertension can be primary, when there is no obvious cause or precipitating factor, or the much less common secondary hypertension, where there is some identified cause.
- Acute and chronic glomerulonephritis
- Atherosclerosis
- Chronic renal failure
- Embolus in blood vessels
- Fibro muscular dyspklasia
- Polyarthritis nodosa
- Pyelonephritis
- Ploycystic disease
- Wilms tumor
- Diabetes mellitus
- Renal artery stenosis
- Cushing’s syndrome
- Coarctation of aorta
- Excessive use of steroids, oral contraceptives, cyclosporine
- Toxemia of pregnancy
- Lead poisoning
- Raised intracranial pressure
Symptoms of high blood pressure include:
- Headache
- Dizziness
- Blurred vision
- Epis-taxis
- Anxiety
- Nausea
- Vomiting
- Red face and skin
- Increased swelling
- Diplopia
- Flushes of heat
- Dyspnoea
- Palpitation
- Tremors
- Fatigue
- Drowsiness
- Irritability
- Heart failure – left ventricular failure followed by congestive failure
- Angina pectoris – usually with transient rise of blood pressure
- Cerebrovascular accident – cerebral haemorrhage, thrombosis or subarachnoid haemorrhage
- Hypertensive encephalopathy
- Malignant hypertension – can occur in hypertension from any cause except coarction of aorta.
- Renal damage – trace of protienuria and hyaline casts common.
- Hemorrhages – epistaxis, rarely haematemasis, or haemoptysis.