What is the cause of the bradycardia?
a. non-conductd PAC's
b. sinus bradycardia with inverted T waves
c. nonconducted PJC's
d. second degree AV block type II
Image 1 - ECG case
It is better appreciated with a laddergram. This is premature junctional complexes (PJC's in bigeminy) not conducted to the ventricle but conducted to the atrium.
Image 2 - Ladder diagram
Thic ECG is from the same patient in the following entries: