known issue heart valves 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 known heart defect feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks symptoms increased physical exertion alleviated rest
myocarditis pulmonary embolism psvt panic attack acute dystonic reactions atrial fibrillation pulmonary neoplasm unstable angina
Atrial fibrillation