Hypertension or high blood pressure is defined as a systolic blood pressure of 140mmHg or more, or a diastolic blood pressure of 90mmHg or more or taking antihypertensive medication.
It is the most common world wide disease affecting humans.
Classification of Blood Pressure
♡Normal blood pressure: systolic blood pressure of less than 120mmHg, diastolic blood pressure of less than 80mmHg.
♡Prehypertension: systolic blood pressure between 130-139mmhg, diastolic blood pressure between 80-89mmhg.
♡Stage 1 hypertension: systolic blood pressure between 140-159mmhg and diastolic blood pressure between 90-99mmhg.
♡Stage 2 hypertension: systolic blood pressure of 160mmhg or more, and a diastolic blood pressure of 100mmhg or more.
Causes of hypertension
•The exact cause of hypertension is unknown. However hypertension is classified according to;
•Primary or essential hypertension: which is due to environmental and genetic factors.
•This is the most common hypertension and it accounts for about 90-95%
•Secondary hypertension: this is due to multiple etiologies such as, renal, vascular, and endocrine causes.
Risk factors include;
Obesity, family history, physical inactivity, diabetes mellitus, tobacco use and advancing age I.e above 55 years in men and above 65 years in women.
Complications of hypertension
•Myocardial infarction or heart attack
•Chronic kidney disease
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