diagnosed hyperthyroidism known issue heart valves severe chronic obstructive pulmonary disease copd 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 fast racing irregularly missing beat feel palpitations traveled country last 4 weeks symptoms increased physical exertion alleviated rest
psvt atrial fibrillation anemia
Atrial fibrillation