- See:
Rt and Lft BBB - S wave: II, III, aVF; - Loss of normal Q's: I, aVL, V6 -
L.A.D. -Usually associatted with
MI (upto 1/2 of
Ant MI get Ant HemiB) -QRS slightly widened (0.1 to 0.12 sec) -Note: always rule out pre-existing sources of Left Axis Dev.: - Left Ventricular Hypertrophy - Horizontal Heart ANTERIOR HEMIBLOCK + R.B.B.B.: -may result from MI of Anterior Wall of the Left Ventricle;
