ECG of the Week - 16th February 2015

This week's ECG case comes with three ECG's. They are from an 85 yr old female who presented with a 12 hour history of feeling generally unwell. Her past medical history includes congestive cardiac failure (EF 35%), chronic renal impairment and paroxysmal atrial fibrillation. Medications included a calcium-channel blocker and a beta-blocker.
On arrival her blood pressure was 125/65 and she had a GCS of 15.
These ECG were each performed at ~30 minutes intervals.

ECG 1
Click to enlarge

ECG 2
Click to enlarge

ECG 3
Click to enlarge

Things to think about

• What do each of the ECG's show ?
• What management would you consider ?