A 36-year-old male with PMHx of RV failure, pulmonary hypertension, and HFrEF presents to the ED with shortness of breath, palpitations, and cough. The following ECG is obtained:
A 50-year-old woman presents to the emergency department with palpitations. She has had signs and symptoms of an upper respiratory tract infection with low grade fevers. She is tachycardic but…