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.
Portal hypertension is associated with splenomegaly and hence hypersplenism and the development of collateral vessels lining the esophagus and stomach, producing varices. Esophageal varices and, less often, gastric varices are particularly prone to bleeding, which is often massive.