AFIB Arrhythmia Cardiogenic Shock 
Dr. Smith's ECG Blog
MAY 26, 2023
A 20-something presented after a huge verapamil overdose in cardiogenic shock. Today's patient is a young male who presented in cardiogenic shock following a massive verapamil overdose. It's always rewarding and mutually educational to discuss interesting aspects of arrhythmia interpretation. The initial K was 3.0
Dr. Smith's ECG Blog
MAY 3, 2024
Some patients have baseline RBBB with LAFB, but in patients with likely ACS, these are associated with severe infarction with cardiac arrest, cardiogenic shock or impending shock. Today's patient did make it to the hospital — but was in cardiogenic shock, and despite valiant attempt at treatment, succumbed soon after.
Dr. Smith's ECG Blog
NOVEMBER 26, 2018
The axiom of "type 1 (ACS, plaque rupture) STEMIs are not tachycardic unless they are in cardiogenic shock" is not applicable outside of sinus rhythm. In some cases the ischemia can be seen "through" the flutter waves, whereas in other cases the arrhythmia must be terminated before the ischemia can be clearly distinguished.
Dr. Smith's ECG Blog
AUGUST 13, 2020
Because of the tachcardia, I would expect her to be very poor left ventricular function and maybe Cardiogenic shock. As per Dr. Smith — this suggests that despite QRS widening, the rhythm in ECG #3 is AFib with a rapid ventricular response. Old MI with persistent ST Elevation (LV aneurysm morphology) can look like acute MI 2.
Dr. Smith's ECG Blog
JANUARY 15, 2024
Tachycardia is unusual for OMI, unless the patient is in cardiogenic shock (or getting close). Jenkins and Frick — I offer 3 additional examples of artifactual distortion ( excerpted from my ECG Blog ) — that resulted in arrhythmia misdiagnosis. We can see enough to make out that the rhythm is sinus tachycardia.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
With the history of Afib, CTA abdomen was ordered to r/o mesenteric ischemia vs ischemic colitis vs small bowel obstruction. An elderly man with sudden cardiogenic shock, diffuse ST depressions, and STE in aVR Literature 1. See this case: what do you think the echocardiogram shows in this case? Left main? 3-vessel disease?
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