EKG: P wave

What is the typical morphology of P wave in V1?
What is the typical morphology of P wave in II?
Why are II & V1 the best leads to look for P wave?
Why is amplitude the criterion for RA enlargement, while duration is the criterion for LA enlargement?
What is MCL1 lead?

EKG: Dextrocardia vs. Dextroversion

To differentiate the two, observe the following two aspects of the EKG:

P wave axis in limb leads & R wave progression in chest leads

Of course, lead misplacement is another possibility to differentiate from if you have only EKG.