Cardiogenic Shock Physiology Tachycardia 
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
Authors' commentary: Cardiogenic shock in the setting of severe aortic stenosis. This patient’s severe aortic stenosis (AS) and associated severe cardiogenic shock likely created the ECG pattern, resulting in a very difficult challenge for our inpatient team. If you can use Doppler, then you can diagnose it.
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. 2) Tachycardia to this degree can cause ST segment changes in several ways. Sometimes you must correct the rhythm to see what lies underneath. Is this inferor STEMI?
Dr. Smith's ECG Blog
MARCH 12, 2018
The findings include sinus tachycardia, characteristic QRS morphology most diagnostic in V3 with a small R wave followed by a very large S wave with a convex upward ST segment morphology, ST segment strain morphology in the inferior and anterior leads leading to deep symmetric T-wave inversion. and tachycardia, 1.8. incomplete RBBB 1.7
Dr. Smith's ECG Blog
FEBRUARY 28, 2020
Tachycardia (or nearly) 2. Tachycardia, = 1.8. Finally , they found these independent predictors of PE: Note that tachycardia only has an Odds ratio of 1.8. Tachycardia is unusual in ACS unless there is cardiogenic shock or a second simultaneous pathology. Poor R-wave progression 4. Domed T-wave inversion 5.
Dr. Smith's ECG Blog
OCTOBER 7, 2019
Why is the patient in shock? He was in profound cardiogenic shock. Both of these features make inferior + RV MI by far the most likely ( Pseudoanteroseptal MI is another name for this ) There is also sinus bradycardia and t he patient is in shock with hypotension. There is an obvious inferior STEMI, but what else?
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