Primary hypertension or essential hypertension is a natural progression of blood pressure that suggests early elevations in blood volume and cardiac output might initiate subsequent changes in the systemic vasculature (increased resistance). It may develop as a result of environmental or genetic causes, or secondary, which has multiple etiologies, including renal, vascular, and endocrine causes.
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Jan 01, 1970
Accepted Date: Jan 01, 1970
Published Date: Jan 01, 1970