The Phase Gate Review methodology improves project effectiveness by reviewing all stages of the project from the initial selection process through the entire process of development to the final stages of closure.
Systemic hypertension, or high blood pressure, is associated with hypertensive vascular disease and is a problem that is widespread. The term systemic distinguishes the condition from a local high blood pressure as in pulmonary (lung) or portal hypertension (hepatic portal system).
Causes for Hypertension. Over 90% of the time, an identifiable cause for hypertension cannot be found. This is known as primary or essential hypertension. The term essential arose from a belief long ago that an increased pressure was essential to maintain blood perfusion through an abnormal arterial system.