Symptoms of CPM include fatigue, lethargy, dypsnoea on exertion, tachypnoea, chest pain, exertional syncope, dyspnoea at rest, nonproductive cough, haemoptysis, hoarseness
[link.springer.com]
When symptoms do occur, people describe Shortness of breath during exertion Light-headedness (particularly with exertion) Fatigue Chest pain Symptoms of heart failure, such
[merckmanuals.com]
Exertional chest pain in the absence of epicardial coronary artery disease can be secondary to endocardial ischaemia induced by hypoxaemia and increased transmural wall tension
[link.springer.com]