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Pulmonary embolism is a blockage in one of the pulmonary arteries in the lungs. In most cases, pulmonary embolism is caused by blood clots that travel to the lungs from the legs or, rarely, other parts of the body (deep…

Hypertension (HTN), also known as high blood pressure (HBP), is a long term medical condition in which the blood pressure in the arteries is persistently elevated. MEASUREMENT Blood pressure is expressed by two measurements, the systolic and diastolic pressures, which…