
How is this RA Enlargement on an ECG?
The p wave is more + on the downslope and not on the upstroke in lead II, so it looks like LA enlargement to me.
The criteria is as follows:
RA enlargement = large first part of p wave in lead II (P-pulmonale) + sharp increase in V1
LA enlargement = large second part of p wave in lead II (P-mitrale) + sharp dip in V1
TIA!