Where did the P waves go?
Dr. Smith's ECG Blog
AUGUST 14, 2024
Written by Willy Frick I was reading through ECGs in the queue when I saw the following. What do you think of the rhythm? At first glance there seems to be a lot of variation happening, but by focusing on one part of the ECG at a time we can make sense of it. Ignore the first QRS complex and look at beats 2 through 5. I have labeled them below for ease of reference: We see P waves which are upright in leads I, II, and aVF, and upside down in aVR.
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