Where did the P waves go?
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…
Two interrupted sinus beats. What is the etiology?
Thanks to our electrophysiologist, Rehan Karim, and to Dr. Wang for their assistance in this case. This is from a young person with…
Weakness due to Bradycardia 2nd Degree Sinoatrial block, with Ashmann’s phenomenon
A 68 yo female with a history of HTN on metoprolol and of paroxysmal atrial fib presented with weakness. This is her ECG. There is sinus…