2019 Dysrhythmia Tachycardia 
Dr. Smith's ECG Blog
JANUARY 2, 2025
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 No wall motion abnormality. J Am Coll Cardiol. 1 for a rate ~75/min 1.
Dr. Smith's ECG Blog
APRIL 15, 2020
Here is her ED ECG: Here is the ED physician's interpretation: IMPRESSION UNCERTAIN REGULAR RHYTHM, wide complex tachycardia, likely p-waves. LEFT BUNDLE BRANCH BLOCK [120+ ms QRS DURATION, 80+ ms Q/S IN V1/V2, 85+ ms R IN I/aVL/V5/V6] Comparison Summary: LBBB and tachycardia are new. This is clearly ventricular tachycardia.
Dr. Smith's ECG Blog
JANUARY 5, 2020
Multifocal Atrial Tachycardia 2. IJC Heart and Vasculature 25(2019). Atrial dysrhythmias, and atrial fi brillation in particular, are frequently misdiagnosed by computer algorithms and then by the physician who overreads them. The rhythm is indeed irregularly irregular, so atrial fibrillation must be considered.
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
MARCH 2, 2019
Opinions vary widely on the K level at which a patient must be admitted on a monitor because of the risk of ventricular dysrhythmias. My rationale is that if the K is affecting the ECG, then it is affecting the electrical milieu and can result in serious dysrhythmias. Until some real data is available, my opinion is this: 1.
Dr. Smith's ECG Blog
MARCH 6, 2020
Here was his ED ECG: There is sinus tachycardia (rate about 114) with nonspecific ST-T abnormalities. An ECG was recorded: This shows a regular narrow complex tachycardia at a rate of about 160. See my quick review of atrial tachycardia below) The tachycardia spontaneously resolved. BP:143/99, Pulse 109, Temp 37.2 °C
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
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