Dr. Smith's ECG Blog

SEPTEMBER 16, 2024

While on telemetry monitoring he suffered cardiac arrest and was resuscitated. What ECG finding may have contributed to (or precipitated) the cardiac arrest? Learning points : Takotsubo can lead to cardiac arrest from ventricular arrhythmia. There are no clear signs of OMI. There is a prolonged QTc.

Cardiac Arrest 58

Cardiac Arrest Cardiomyopathy Arrhythmia Atrial Fibrillation 58

Ken Grauer, MD

JULY 9, 2023

Blood was drawn , and the patient was promptly placed in a room to be seen — but on entering, the ED physician found her unresponsive in cardiac arrest. Do you see any indication on this ECG of WHY this patient was about to arrest? Is there any indication on this ECG of WHY this patient shortly after had a cardiac arrest?

Blog 78

Blog Cardiac Arrest Pulmonary AFIB 78

Ken Grauer, MD

MAY 26, 2023

At some point ~1-2 hours after the initial ECG — the patient developed runs of VT, leading to cardiac arrest. ECG Blog #185 — Review of the P s, Q s, 3 R Approach for systematic rhythm interpretation. ECG Blog #271 — Reviews the concept of diffuse Subendocardial Ischemia. ECG Blog #316 — The patient died.

Blog 78

Blog Ischemia STEMI Cardiac Arrest 78

Dr. Smith's ECG Blog

FEBRUARY 2, 2024

See our other blog posts of hypothermia and Osborn waves -- Massive Osborn Waves of Severe Hypothermia (23.6 C), with Cardiac Echo -- A Pathognomonic ECG. His temperature was brought back to normal over time in the ICU. He was extubated and had normal neurologic function. He did well and was discharged.

Cardiac Arrest 134

Cardiac Arrest Blog Atrial Fibrillation Bradycardia 134

Dr. Smith's ECG Blog

SEPTEMBER 12, 2023

Figure-2: A rapid method for estimating the QTc ( Figure from My Comment in the March 19, 2019 post in Dr. Smith's ECG Blog ). == Clinical Implications of a Short QTc: The differential diagnosis for today's tracing, with its short QTc ~360 msec. ) — but as can be seen, my estimate of ~360 msec.

Cardiac Arrest 72

Cardiac Arrest Blog Atrial Fibrillation AFIB 72

Dr. Smith's ECG Blog

OCTOBER 10, 2022

I sent it to 2 of my ECG nerd colleagues with no clinical information whatsoever, who instantly said: "Looks like afib with subendocardial ischemia and right heart strain pattern." "I He had multiple cardiac arrests with ROSC regained each time. This patient arrested shortly after hospital arrival.

Cardiac Arrest 52

Cardiac Arrest Chest Pain Embolism Pulmonary 52

Dr. Smith's ECG Blog

NOVEMBER 4, 2022

With the history of Afib, CTA abdomen was ordered to r/o mesenteric ischemia vs ischemic colitis vs small bowel obstruction. Thirty-six patients (36%) presented with cardiac arrest, and 78% (28/36) underwent emergent angiography. See this case: what do you think the echocardiogram shows in this case? A normal PR interval.

Ischemia 52

Ischemia STEMI Stenosis Coronary Artery Disease 52