Showing posts with label bifascicular block. Show all posts
Showing posts with label bifascicular block. Show all posts

2/28/2016

A 2:1 is not Mobitz II

Vignette: A 70 yo is admitted due to dizziness. What is your ECG interpretation?


Figure 1 - ECG case

The rhythm is sinus with an atrial rate of about 65 bpm and the ventricular rate of about 34 bpm. The PRI is 0.28 s and the QRS is 0.12 sec. There are 2 P wave for every 1 QRS (Figure 2).



Figure 2 - P waves marked with red arrows