known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way significantly overweight compared people height heart attack angina chest pain known heart defect feel heart beating fast racing irregularly missing beat feel palpitations feel heart beating irregularly disorganized pattern traveled country last 4 weeks
atrial fibrillation psvt myocarditis scombroid food poisoning acute dystonic reactions possible nstemi / stemi pulmonary embolism
Atrial fibrillation