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…
Male in his 50’s with chest discomfort
A male in his 50’s with a history of type I DM was riding his bike to work when he developed squeezing chest pressure and a sensation…
Chest pain and Bradycardia
An elderly male complained of chest pain. He had no previous cardiac history and was only on aspirin, a statin, and a proton pump…
A 20-something with palpitations and dizziness. What action will you take?
I have posted on this topic before, but whenever I think that readers completely understand it, I find there are still many who do not. …
Pseudo Type II Second Degree AV Block Induced by Concealed Premature Junctional Complexes (PJCs) (contributed by K. Wang)
This patient is running on a treadmill: Figure 1. There are frequent apparently non-conducted p-waves. The PR interval is not…
Instructions for using subtleSTEMI iPhone app
Some have asked for instructions in using the app: 1. The warning states that it should only be used when the…
K. Wang Video: Aortic Dissection? STEMI? Both? (5 minute video)
This is a fine short summary of the topic. One disclaimer: At the end of the talk, K. states that ST segment depression in lead I in inferior…