Broad Differential Diagnosis:
1) Hyperthyroidism
2) Electrolyte abnormality
3) Supraventricular tachycardia
4) Exercise induced bronchospasm
5) Cardiomyopathy
6) Anomalous coronary artery
7) Wolff-parkinson white syndrome
8) Symptomatic anemia
9) Pulmonary embolism
10) Recreational drug use
11) Pulmonary hypertension

Click Here To Continue.