2021 Bradycardia Cardiac Arrest 
Dr. Smith's ECG Blog
MAY 5, 2023
Krantz et al authored a State-of-the-Art Review on Cardiovascular Complications of Opioid Use ( JACC 77(2):205-223, 2021 ) — in which mechanisms from Opioid Overdose that detail arrhythmia production ( up to cardiac arrest ) are elucidated — thereby providing an explanation for the unusual arrhythmias in today's case.
Ken Grauer, MD
OCTOBER 27, 2023
That said — obvious findings include: i ) Marked bradycardia! — Unfortunately, before this could be accomplished — the patient went into cardiac arrest. She was successfully resuscitated — with a post-arrest rhythm similar to that seen in Figure-1. Cardiac cath did not reveal significant coronary disease!
Dr. Smith's ECG Blog
MAY 26, 2023
Management of calcium channel toxicity i s complex — with cardiovascular collapse, conduction defects and various bradyarrhythmias ( including the asystolic arrest experienced by today's patient ) among the common problems encountered. Laddergram Illustration: The mechanism of AV block in ECG #2 is complex.
Dr. Smith's ECG Blog
JULY 21, 2024
There was no evidence bradycardia leading up to the runs of PMVT ( as tends to occur with Torsades ). If there had been — a temporary atrial pacemaker could have been considered as a way of increasing the heart rate to suppress a bradycardia-dependent arrhythmia ("overdrive pacing").
Dr. Smith's ECG Blog
MAY 5, 2022
Hyperkalemia causes peaked T waves and the "killer B's of hyperkalemia", including bradycardia, broad QRS complexes, blocks of the AV node and bundle branches, Brugada morphology, and otherwise bizarre morphology including sine wave. Steve, what do you think of this ECG in this Cardiac Arrest Patient?" With a twist.
Dr. Smith's ECG Blog
FEBRUARY 20, 2025
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. More cases here to highlight: [link] Middle Aged Woman with Asystolic Cardiac Arrest, Resuscitated: Cath Lab? OMI is a clinical diagnosis.
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