In young and otherwise healthy patients who have fatigue, progressive dyspnea, atypical chest pain, or unexplained syncope, pulmonary hypertension should be suspected. Long-term pulmonary hypertension causes right ventricle hypertrophy and/or dilation (cor pulmonale). Which of the following is the most likely cause of this patient's dyspnea?

Question

In young and otherwise healthy patients who have fatigue, progressive dyspnea, atypical chest pain, or unexplained syncope, pulmonary hypertension should be suspected. Long-term pulmonary hypertension causes right ventricle hypertrophy and/or dilation (cor pulmonale).  Which of the following is the most likely cause of this patient's dyspnea?

Quizplus · Accepted Answer

Eductional Objective: The patient is asked to inhale completely and then forcefully exhale as much air as possible as quickly as possible during pulmonary function testing. Reduced total volume of air expelled (ie, reduced forced vital capacity [FVC]), reduced volume of air expelled in one second (ie, reduced forced expiratory volume in one second [FEV1]), and a normal or occasionally increased FEV1/FVC ratio are all symptoms of restrictive lung disease.

In Young and Otherwise Healthy Patients Who Have Fatigue, Progressive