diagnosed hyperthyroidism known issue heart valves experiencing shortness breath difficulty breathing significant way heart attack angina chest pain known heart defect feel heart beating irregularly disorganized pattern traveled country last 4 weeks symptoms increased physical exertion alleviated rest
pulmonary embolism atrial fibrillation myocarditis acute pulmonary edema guillain-barré syndrome acute dystonic reactions psvt unstable angina
Atrial fibrillation