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.

STEMI 52

STEMI Cardiogenic Shock Tachycardia Aneurysm 52

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. Still Irregular Blood pressure during these rhythms was adequate; there was no shock. The patient spontaneously converted back to sinus tachycardia. Later, I obtained more clinical history.

Tachycardia 52

Tachycardia AFIB Cardiogenic Shock Myocardial Infarction 52

Dr. Smith's ECG Blog

OCTOBER 17, 2024

Peak troponin was a massive 500,000 ng/L, echo showed EF reduced to 20%, and follow up ECG showed LV aneurysm morphology with anterior Q wave and persisting ST elevation. There is sinus tachycardia at ~100/minute. In today's case — the sinus tachycardia may have been a harbinger of this patient's ultimate demise. As per Dr.

Chest Pain 73

Chest Pain STEMI Pulmonary Embolism 73

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. There are no Q-waves to suggest old inferior MI, or inferior aneurysm as the etiology of the ST Elevation. She arrived to the ED with a nonrebreather mask. An EKG was immediately recorded.

Tachycardia 73

Tachycardia Pulmonary Chest Pain Stenosis 73