A 25-year soldier is trapped in an avalanche in Siachen glacier. He is airlifted to the base hospital. On admission the pulse is thready and BP is unrecordable. ECG strip is shown below. All of the findings are seen except:
V5 lead recording shows: HR of 50 bpm with absence of P wave Presence of Osborn wave at the J point. Concomitant ST Elevation is noted. The patient is suffering from hypothermia which explains the ECG change. Atrial bigeminy should have discernible P wave.
Bradycardia
Osborn wave
ST segment elevation
Atrial bigeminy
ECG and Arrhythmia 2