Dr. Smith's ECG Blog

JANUARY 2, 2025

See this post: How a pause can cause cardiac arrest 2. Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. Even with tachycardia and a paced QRS duration of ~0.16

Tachycardia 116

Tachycardia Cardiomyopathy Blog Bradycardia 116

Dr. Smith's ECG Blog

OCTOBER 10, 2022

He had multiple cardiac arrests with ROSC regained each time. Then there is loss of pulses with continued narrow complex on the monitor ("PEA arrest") Learning Points: Sudden witnessed Cardiac Arrest due to ACS is almost always due to dysrhythmia. This patient arrested shortly after hospital arrival.

Cardiac Arrest 52

Cardiac Arrest Chest Pain Embolism Pulmonary 52

Dr. Smith's ECG Blog

APRIL 8, 2016

See here for management of Polymorphic Ventricular Tachycardia , which includes Torsades. Could the dysrhythmias have been prevented? If cardiac arrest from hypokalemia is imminent (i.e., As I indicated above, in our cardiac arrest case, after pushing 40 mEq, the K only went up to 4.2 mEq/L, from 1.9

STEMI 52

STEMI Myocardial Infarction Cardiac Arrest Arrhythmia 52

Dr. Smith's ECG Blog

FEBRUARY 2, 2017

Here is the ECG: Sinus tachycardia. So the real QT is shorter, but the computer does not mention the U-wave, and the U-wave is as important as the T-wave in predicting cardiac dysrhythmias. If cardiac arrest from hypokalemia is imminent (i.e., This patient presented with severe DKA. What do you think? What else?

Cardiac Arrest 52

Cardiac Arrest Dysrhythmia Arrhythmia Nursing 52

Dr. Smith's ECG Blog

NOVEMBER 30, 2019

Is it ventricular tachycardia (VT) due to hyperK or is it a supraventricular rhythm with hyperK? Here are other posts on hyperK, large calcium doses for hyperK, and ventricular tachycardia in hyperK Weakness, prolonged PR interval, wide complex, ventricular tachycardia Very Wide and Very Fast, What is it? How would you treat?

Cardiac Arrest 40

Cardiac Arrest Tachycardia Nursing Ultrasound 40

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.

Tachycardia 52

Tachycardia Heart Disease Dysrhythmia Ablation 52

Dr. Smith's ECG Blog

JANUARY 30, 2019

Otherwise vitals after intubation were only notable for tachycardia. An initial EKG was obtained: Computer read: sinus tachycardia, early acute anterior infarct. She was ventilated by bag-valve-mask by EMS on arrival and was quickly intubated with etomidate and succinylcholine. A rectal temperature was obtained which read 107.9

Heart Rhythm 52

Heart Rhythm Sudden Cardiac Death Arrhythmia STEMI 52