AFIB Blog Cardiac Arrest 
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.
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?
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.
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.
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.
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.
Dr. Smith's ECG Blog
MAY 3, 2024
Some patients have baseline RBBB with LAFB, but in patients with likely ACS, these are associated with severe infarction with cardiac arrest, cardiogenic shock or impending shock. Suffice it to say that, "The heart does whatever it will do when a patient is about to arrest". RBBB + LAFB in the setting of ACS is very bad.
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