diagnosed hyperthyroidism known issue heart valves severe chronic obstructive pulmonary disease copd 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 heart attack angina chest pain feel heart beating irregularly disorganized pattern traveled country last 4 weeks symptoms increased physical exertion alleviated rest
atrial fibrillation psvt myocarditis pulmonary embolism anemia acute pulmonary edema guillain-barré syndrome scombroid food poisoning acute dystonic reactions myasthenia gravis anaphylaxis sle possible nstemi / stemi chagas
Atrial fibrillation