diagnosed hyperthyroidism experiencing shortness breath difficulty breathing significant way diabetes significantly overweight compared people height 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 unstable angina
Atrial fibrillation