Cardiac Arrest Hemorrhage Tachycardia 
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. T wave alternans is a harbinger of cardiac instability and TdP. (3) No ischemic ST changes.
Dr. Smith's ECG Blog
SEPTEMBER 7, 2020
Here is his 12-lead: There is a wide complex tachycardia with a rate of 257, with RBBB and LPFB (right axis deviation) morphology. Read about Fascicular VT here: Idiopathic Ventricular Tachycardias for the EM Physician Case Continued He was completely stable, so adenosine was administered. See Learning point 1 below. Arch Intern Med.
Dr. Smith's ECG Blog
NOVEMBER 4, 2022
Thirty-six patients (36%) presented with cardiac arrest, and 78% (28/36) underwent emergent angiography. Systematic Assessment of the ECG in Figure-1: My Descriptive Analysis of ECG findings in Figure-1 is as follows: Sinus tachycardia at ~110/minute. Results Emergent angiography was performed in 80% (79/99) of patients.
Dr. Smith's ECG Blog
NOVEMBER 28, 2022
The ECG shows sinus tachycardia, a narrow, low voltage QRS with alternating amplitudes, no peaked T waves, no QT prolongation, and some minimal ST elevation in II, III, and aVF (without significant reciprocal STD or T wave inversion in aVL). It is difficult to tell if there is collapse during diastole due to the patient’s tachycardia.
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.
Dr. Smith's ECG Blog
FEBRUARY 20, 2025
There was never ventricular fibrillation (VF) or ventricular tachycardia (VT), no shockable rhythm. The patient was unconscious BEFORE the cardiac arrest, at the same time that she had strong pulses. Therefore, cardiac arrest is NOT the etiology of the coma. There is sinus tachycardia at ~115/minute.
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). The relationship between J wave and ventricular tachycardia during Takotsubo cardiomyopathy.
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