ECG of the Week - 17th August 2015

This ECG is from an 85 year old male who presented to the Emergency Department confused and drowsy. He had a recent diarrhoeal illness and had been non-compliant with his long-term medications. 
On arrival his vital signs were: SBP 85 RR 34 Sats 90% RA GCS 12.

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Things to think about

• What are the key ECG features ?
• How would you manage this patient ?