ECG of the Week - 23rd September 2013

A 73yr old femlae presents following an episode of syncope.
She is on no medication and has the following vitals:
BP 114/65 RR 18 Sats 97% (RA), Temp 36.3, BSL 6.5
Her ECG is below.

Click to enlarge

VAQ Corner

A 73yr old femlae presents to your Emergency Department following an episode of syncope.
She is on no medication and has the following vitals:
BP 114/65 RR 18 Sats 97% (RA), Temp 36.3, BSL 6.5
Her ECG is above.

a) Describe and interpret her ECG (50%)
b) Discuss the utility of decision rules in determining her disposition (50%)