diagnosed hyperthyroidism known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way high blood pressure take medications treat high blood pressure heart attack angina chest pain feel heart beating irregularly disorganized pattern traveled country last 4 weeks
pulmonary embolism psvt atrial fibrillation myocarditis acute dystonic reactions pulmonary neoplasm
Atrial fibrillation