Dr. Smith's ECG Blog

NOVEMBER 19, 2016

DISCUSSION: The 12-lead EKG EMS initially obtained for this patient showed severe ischemia, with profound "infero-lateral" ST depression and reciprocal ST elevation in lead aVR. The ECG cannot diagnose the etiology of ischemia; it only the presence of ischemia, from whatever etiology.

Ischemia 40

Ischemia Cardiogenic Shock Aortic Stenosis 40

Dr. Smith's ECG Blog

MAY 8, 2023

American Heart Journal 170(6):1255-1264; December 2015. Impella (cardiac output augmentation device) placed for cardiogenic shock Unfortunately, the patient progressed to multiorgan failure with worsening cardiac output despite being maxed on pressors and a balloon pump. Derivation in LBBB: --> Smith SW.

Chest Pain 52

Chest Pain Myocardial Infarction STEMI Pacemaker 52

Dr. Smith's ECG Blog

MARCH 3, 2025

Whenever there is tachycardia, I am skeptical of OMI unless it has led to severely compromised ejection fracction with cardiogenic shock. The patient was started on heparin for possible NSTEMI vs demand ischemia. increasing stenosis, ischemia, volume changes, increased blood pressure, atrial fibrillation, etc.)

Tachycardia 74

Tachycardia Pulmonary Chest Pain Stenosis 74