known issue heart valves experiencing shortness breath difficulty breathing significant way diabetes significantly overweight compared people height feel slightly dizzy lightheaded high blood pressure take medications treat high blood pressure known heart defect feel heart beating fast racing irregularly missing beat feel palpitations feel heart beating irregularly disorganized pattern traveled country last 4 weeks symptoms increased physical exertion alleviated rest
atrial fibrillation psvt panic attack myocarditis spontaneous pneumothorax pulmonary embolism anemia sle guillain-barré syndrome pericarditis scombroid food poisoning acute dystonic reactions myasthenia gravis anaphylaxis boerhaave sarcoidosis chagas
Atrial fibrillation