Cardiac Arrest ICU Tachycardia 
Dr. Smith's ECG Blog
JANUARY 2, 2025
CASE CONTINUED She was admitted to the ICU. See this post: How a pause can cause cardiac arrest 2. Even with tachycardia and a paced QRS duration of ~0.16 Smith has provided excellent overview of measuring and correcting QT interval in scenarios where QRS duration is prolonged (e.g., LBBB, ventricular pacing, etc.)."
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
APRIL 6, 2018
Written by Pendell Meyers, with edits by Steve Smith Thanks to my attending Nic Thompson who superbly led this resuscitation We received a call that a middle aged male in cardiac arrest was 5 minutes out. There is a regular, wide complex, (mostly) monomorphic tachycardia. He was estimated to be in his 50s, with no known PMHx.
Dr. Smith's ECG Blog
JULY 24, 2018
We received 4 ECGs, including his baseline on file, and three from today, including triage, peri-arrest, and post-ROSC (sorry for the poor quality due to scanning). Prior ECG on file: Sinus tachycardia, imperfect baseline, otherwise unremarkable. Unfortunately, this was not recognized at this time.
Dr. Smith's ECG Blog
OCTOBER 25, 2023
ECG is consistent with severe hypokalemia and/or hypomagnesemia causing prolonged QT (QU) at high risk of Torsades (which is polymorphic ventricular tachycardia in the setting of a long QT interval). The patient was admitted to the ICU for close monitoring and electrolyte repletion and had an uneventful hospital course. Is it STEMI?
Dr. Smith's ECG Blog
MAY 5, 2022
After initiating treatment for hyperkalemia, repeat ECG showed resolution of Brugada pattern: The ECG shows sinus tachycardia. He was admitted to the ICU and transferred emergently to a facility where he could undergo emergent dialysis as a part of further evaluation and management. HyperKalemia with Cardiac Arrest.
Dr. Smith's ECG Blog
APRIL 9, 2025
A retrospective 'target trial emulation' comparing amiodarone and lidocaine for adult out-of-hospital cardiac arrest resuscitation. Add to this the sobering clinical reality of how difficult it is to get objective, controlled, prospective data in the emergency situation of cardiac arrest and life-threatening arrhythmias.
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