diagnosed hyperthyroidism known issue heart valves significantly overweight compared people height feel slightly dizzy lightheaded 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 symptoms increased physical exertion alleviated rest
atrial fibrillation psvt anemia scombroid food poisoning
Atrial fibrillation