ECGs

A 53 year-old male presents to the emergency department with two hours of chest pain...

This ECG is from a 64-year-old male. Presented following multiple episodes of syncope...

This ECG is from a 47-year-old female presenting with palpitations of 3 hours duration...

This ECG is from a 78-year-old male who presented with a 2 day history of lethargy and dizziness...

This ECG is from a 52-year-old male presenting with chest pain...

What's your interpretation of this ECG, what's the rhythm ?

This ECG is from a 40-year-old male who presented following a large overdose of an anti-spasmodic agent...

This ECG is from a 57-year-old female complaining of weakness...

This ECG is from 68-year-old man with dizziness and syncopal episodes...

A 55-year-old male with history of smoking complained of 3 days of intermittent chest pain lasting up to a few hours each day