diagnosed hyperthyroidism known issue heart valves severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way diabetes significantly overweight compared people height feel slightly dizzy lightheaded 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 symptoms increased physical exertion alleviated rest
atrial fibrillation psvt acute pulmonary edema panic attack unstable angina pulmonary neoplasm bronchospasm / acute asthma exacerbation myocarditis spontaneous pneumothorax acute copd exacerbation / infection pulmonary embolism stable angina pneumonia anemia possible nstemi / stemi bronchiectasis sle guillain-barré syndrome pericarditis ebola bronchitis scombroid food poisoning acute dystonic reactions myasthenia gravis anaphylaxis tuberculosis boerhaave sarcoidosis chagas
Atrial fibrillation