The most common cause of a pulmonary embolism is a blood clot (thrombus) in a large leg vein of the leg that breaks off and travels to the lungs (embolus).An embolus may be from clots in other parts of the body.Or they may be made up of other solids, liquids, or gases that travel to the lungs.he most common cause of a pulmonary embolism is a blood clot (thrombus) in a large leg vein of the leg that breaks off and travels to the lungs (embolus).
Diuretics are used in pulmonary hypertension to manage peripheral edema. The use of loop diuretics (eg, furosemide, bumetanide) requires potassium supplementation and close monitoring of serum potassium.
About Pulmonary Hypertension. High blood pressure in the lungs is called pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). PAH is a chronic and life-changing disease that can lead to right heart failure if left untreated. Read about other types of PH. In this short video, Dr. Vallerie McLaughlin explains the basics of pulmonary arterial hypertension (PAH). To learn more about PH and PAH, explore this section or read a PAH Education Fact Sheet developed by the American Thoracic Society (ATS) for their Patient Information Series.