A 95-year-old woman arrived at the Emergency Department complaining of palpitations. Upon examination, her ECG revealed a heart rate of...

A 53 year old male, presented to the Emergency Department with palpitations. His ECG showed a heart rate of 132. Here is his ECG. What is...

A 21-year-old male patient presented to ED with a few hours' history of right-sided vague chest pain. He is normally fit & well. Normal...