Cardiogenic Shock Echocardiogram Tachycardia 
Dr. Smith's ECG Blog
OCTOBER 26, 2010
He was rushed by residents into our critical care room with a diagnosis of STEMI, and they handed me this ECG: There is sinus tachycardia with ST elevation in II, III, and aVF, as well as V4-V6. ACS and STEMI generally do not cause tachycardia unless there is cardiogenic shock. He had this ECG recorded. The HCO3 was 8.
Dr. Smith's ECG Blog
JUNE 17, 2018
There is sinus tachycardia. Sinus tachycardia, which exaggerates ST segments and implies that there is another pathology. I have always said that tachycardia should argue against acute MI unless there is cardiogenic shock or 2 simultaneous pathologies. Here is that ECG: What do you think?
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
A transthoracic echocardiogram showed an LV EF of less than 15%, critically severe aortic stenosis , severe LVH , and a small LV cavity. Authors' commentary: Cardiogenic shock in the setting of severe aortic stenosis. Fundamentally, cardiogenic shock is an issue of decreased cardiac output.
EMS 12-Lead
JULY 24, 2023
Category 2 : An increase in myocardial oxygen demand due to tachycardia, elevated ventricular afterload (BP or aortic stenosis), or increased wall stretch (admittedly this latter is more complicated) or a decrease in oxygen supply due to hypotension, anemia, hypoxia, or a combination of all of the above. This results in Type I MI.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
See this case: what do you think the echocardiogram shows in this case? An elderly man with sudden cardiogenic shock, diffuse ST depressions, and STE in aVR Literature 1. Systematic Assessment of the ECG in Figure-1: My Descriptive Analysis of ECG findings in Figure-1 is as follows: Sinus tachycardia at ~110/minute.
Dr. Smith's ECG Blog
JANUARY 15, 2024
We can see enough to make out that the rhythm is sinus tachycardia. Tachycardia is unusual for OMI, unless the patient is in cardiogenic shock (or getting close). The ECG has a lot of artifact, and the amplitude is very small, making interpretation challenging. This confirms the suspicion of prior anterior OMI.
Dr. Smith's ECG Blog
MARCH 3, 2025
The status of the patients chest pain at this time is unknown : EKG 1, 1300: There is sinus tachycardia and artifact of low and high frequency. However, there is also significant tachycardia , with heart rate of 116, and known hypoxia. She arrived to the ED with a nonrebreather mask. Her blood pressure on arrival was 153/69.
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