known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way significantly overweight compared people height high blood pressure take medications treat high blood pressure heart attack angina chest pain feel heart beating irregularly disorganized pattern traveled country last 4 weeks symptoms increased physical exertion alleviated rest
pulmonary embolism atrial fibrillation psvt myocarditis acute dystonic reactions guillain-barré syndrome unstable angina
Atrial fibrillation