High blood pressure is a trait as
opposed to a specific disease and represents a quantitative rather than a
qualitative deviation from the norm. Any definition of hypertension is
therefore arbitrary. Hypertension as such, may be defined as a systolic
pressure of 140mmhg or greater or a diastolic pressure of 90mmhg or greater.
System blood pressure rises with age,
and the incidences of cardiovascular disease are closely related to average
blood pressure at all ages, when blood pressure are within the so-called normal
range. About 30% people over the age of 20years in the United States have hypertension.
The prevalence increase markedly with
age. The cardiovascular risks associated with a given blood pressure are dependent
upon the combination of risk factors in the specific individual. These include
age, gender, weight, smoking, diabetes mellitus and preexisting vascular disease.
Effective management of hypertension therefore requires a holistic approach
that is based on identification of those at highest cardiovascular risk and
adoption of multifactorial interventions, targeting not only blood pressure but
all modifiable cardiovascular risk factors at the same time.Read More
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