In any one lead, the morphology of the P waves will vary depending on the location of the area acting as the pacemaker. True or False. Which of the following is consistent with left atrial...

In any one lead, the morphology of the P waves will vary depending on the

location of the area acting as the pacemaker. True or False.

Which of the following is consistent with left atrial enlargement:

A. P-pulmonale

B. The second half of a biphasic P wave in V1

is wider and deeper than one

small block.

C. Both A and B are correct

D. None of the above