Hypertension
Definition
High blood
pressure also known as Hypertension or HTN or HPN is abnormal blood
pressure normally measured in systolic and diastolic. Systolic is is a
measurement when heart contracts and diastolic when heart relaxes. In current usage,
the word "hypertension" without a qualifier normally refers to systemic,
arterial hypertension
Hypertension is
classified into two types
Essential
(primary)
Hypertension with
visible medical cause is called essential hypertension and 90%
to 95% of patients suffer this kind of hypertension.
Secondary
A kidney disease
or a tumor or another medical problem causes the secondary
hypertension.
Persistent
hypertension may lead to heart attacks,
heart failure and arterial aneurysm, and is a leading cause of chronic
renal failure.