When analyzing V1 to determine the presence of a bundle branch block, what should you look for?
A)A QRS complex that measures 0.12 seconds or greater and a P wave
B)A QRS complex that measures less than 0.12 seconds with no P wave
C)An inverted T wave and ST segment depression
D)ST segment elevation and a pathologic Q wave

Question

Quizplus · Accepted Answer

When analyzing V1 to determine the presence of a bundle branch block, you should look for a QRS complex that measures 0.12 seconds or greater and a P wave. The presence of a wide QRS complex with a discernible P wave suggests that the block is located in the bundle branch rather than in the ventricles.

When Analyzing V1 to Determine the Presence of a Bundle