Cardiac Arrest Hemorrhage Ischemia 
Dr. Smith's ECG Blog
FEBRUARY 2, 2024
We periodically review this intriguing ECG finding that is best known for its association with hypothermia — but which may also be seen in association with a number of other entities, including acute infarction and cardiac arrest. My Comment addresses a few additional aspects of this phenomenon.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
His response: “subendocardial ischemia. Smith : It should be noted that, in subendocardial ischemia, in contrast to OMI, absence of wall motion abnormality is common. With the history of Afib, CTA abdomen was ordered to r/o mesenteric ischemia vs ischemic colitis vs small bowel obstruction. Anything more on history?
Dr. Smith's ECG Blog
FEBRUARY 8, 2022
Osborn waves have been reported with hypercalcemia, brain injury, subarachnoid hemorrhage, Brugada syndrome, cardiac arrest from VFib — and — severe, acute ischemia resulting in acute MI ( See My Comment in the November 22, 2019 post on Dr. Smith’s Blog ). Rituparna et al — as well as Chauhan and Brahma ( Int.
Dr. Smith's ECG Blog
OCTOBER 23, 2023
Edited by Bracey, Meyers, Grauer, and Smith A 50-something-year-old female with a history of an unknown personality disorder and alcohol use disorder arrived via EMS following cardiac arrest with return of spontaneous circulation. The described rhythm was an irregular, wide complex rhythm.
Dr. Smith's ECG Blog
JANUARY 21, 2023
J waves can also be induced by Occlusion MI (5), STEMI mimics including takotsubo and myocarditis complicated by ventricular arrhythmias (6, 7), and subarachnoid hemorrhage with VF (8). Occurrence of “J Waves” in 12-Lead ECG as a Marker of Acute Ischemia and Their Cellular Basis. Pacing Clin Electrophysiol.
Dr. Smith's ECG Blog
NOVEMBER 28, 2022
The second most common cause of medical cardiac tamponade is acute idiopathic pericarditis. Less common etiologies include uremia, bacterial or tubercular pericarditis, chronic idiopathic pericarditis, hemorrhage, and other causes such as autoimmune diseases, radiation, myxedema, etc.
Dr. Smith's ECG Blog
NOVEMBER 25, 2022
A man in his 40s with multitrauma from motor vehicle collision Massive Transfusion for Motorcycle Collision with Hemorrhage, Troponin Elevated. These include ( among others ) — acute febrile illness — variations in autonomic tone — hypothermia — ischemia-infarction — malignant arrhythmias — cardiac arrest — and especially Hyperkalemia.
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