Diagnostic criteria include:<unk>  axis deviation (-45 or more)
QRS 80-110ms
rS in II, III, and aVF
qR in I and aVL
Increased QRS voltage in the limb leads
Left anterior fascicular block
Left posterior fascicular block
Left bundle branch block
Right bundle branch block
Wandering atrial pacemaker
AV blocks
Unstable angina
First degree AV block