known issue heart valves experiencing shortness breath difficulty breathing significant way feel slightly dizzy lightheaded 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