Atrial tall P > 2.5 mm in height in II (P pulmonale),
(may be aIso in llI and aVF); large diphasic P wave with tall initial
part in V1
Left Atrial diphasic
P in V1, with large terminal downward phase; P >= 0.12 sec. (P
mitrale - wide), M shaped P in I, II or aVL.
RVH, Right Ventricular Hypertrophy
RAD > 100°; incomplete RBBB V1; R S in V1; R > 5 mm in
V1; decreasing R wave V1 V4;
ST depression and flipped T's V1 - V3 (RV strain pattern) ? RAH;
LVH, Left Ventricular Hypertrophy LAD
without LBBB or LAHB; deepest S in V1 or V2 plus largest R in V5
or V6 >= 35 mm; tallest R in V1 - V6 > 27 mm; possible ST
depression and flipped T waves in I, II, III aVL, or aVF, V5, V6;
LV strain; ? LAH; R in aVL >= 12 mm.