severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way diabetes significantly overweight compared people height high blood pressure take medications treat high blood pressure heart attack angina chest pain known heart defect feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks
pulmonary embolism spontaneous pneumothorax sle guillain-barré syndrome atrial fibrillation myocarditis scombroid food poisoning acute dystonic reactions myasthenia gravis anemia anaphylaxis psvt sarcoidosis
Atrial fibrillation