diagnosed hyperthyroidism known issue heart valves experiencing shortness breath difficulty breathing significant way diabetes feel slightly dizzy lightheaded known heart defect feel heart beating fast racing irregularly missing beat feel palpitations traveled country last 4 weeks
psvt atrial fibrillation anemia guillain-barré syndrome myocarditis scombroid food poisoning acute dystonic reactions myasthenia gravis possible nstemi / stemi panic attack
Atrial fibrillation