Dr. Smith's ECG Blog

DECEMBER 7, 2023

The final diagnosis was spontaneous coronary artery dissection (SCAD) starting in the mid LAD and continuing distally where it wraps around the apex. SCAD wasn't on my differential per se , but in retrospect it should have been. Most patients presenting with SCAD report a preceding emotional or physical stressor. Buller, C.

SCAD 126

SCAD Ischemia Coronary Artery Disease Cardiomyopathy 126

Dr. Smith's ECG Blog

MAY 19, 2020

If the arrest was caused by acute MI due to plaque rupture, then the diagnosis is MINOCA. Here is my comment on MINOCA: "Non-obstructive coronary disease" does not necessarily imply "no plaque rupture with thrombus." They often cannot even be recognized as culprits, as fissured or ulcerated plaque. FFR can be useful.

Defibrillator 52

Defibrillator Circulation Plaque Cardiac Arrest 52

Dr. Smith's ECG Blog

JULY 31, 2018

Troponin elevation is dependent on presence or absence of occlusion (remember many OMI receive a diagnosis of NSTEMI), duration of occlusion (which is dependent on rapidity of therapy or the luck of spontaneous reperfusion), area of myocardium at risk, collateral circulation, and more. What is Spontaneous Coronary Artery Dissection (SCAD)?

SCAD 52

SCAD Chest Pain Myocardial Infarction Ischemia 52