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.
Idiopathic hypertension redirects here. For the condition of raised blood pressure within the skull, see Idiopathic intracranial hypertension. Essential hypertension (also called primary hypertension or idiopathic hypertension) is the form of hypertension that by definition has no identifiable cause.
Pulmonary arterial hypertension (PAH) is a rare form of high blood pressure. It occurs in the pulmonary arteries that flow from your heart and through your lungs.Constricted and narrowed arteries prevent your heart from pumping adequate blood.When constriction occurs, the heart will need to work harder to compensate.ulmonary arterial hypertension (PAH) is a rare form of high blood pressure. It occurs in the pulmonary arteries that flow from your heart and through your lungs.