Pulmonary hypertension - Definition

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Pulmonary hypertension, or PH, is a rare and serious disease that manifests as dyspnea brought on by exertion (or shortness of breath), sometimes accompanied by signs of heart failure, such as edema in the lower limbs or hepatojugular reflux. It primarily affects men and women between the ages of 30 and 40. PH is said to be "idiopathic" when its cause cannot be determined. Heart palpitations, chest pain, cough, and shortness of breath (dyspnea) brought on by exertion can be associated symptoms.