The most common cause for the P wave,QRS complex,and T wave to be inverted in lead I is
A)Dextrocardia.
B)Incorrect lead placement.
C)Myocardial infarction.
D)Left bundle branch block.

Question

Quizplus · Accepted Answer

The most common reason for inverted P wave, QRS complex, and T wave in lead I is incorrect lead placement. It can also be caused by other factors such as dextrocardia or LBBB, but incorrect lead placement is the most common cause. In such cases, one should check the lead placement, electrodes, and cable connections.

The Most Common Cause for the P Wave,QRS Complex,and T