Bradycardia Cardiac Arrest Chest Pain 
Dr. Smith's ECG Blog
OCTOBER 18, 2023
The chest pain quickly subsided. During the night, while on telemetry, the patient became bradycardic, with periods of isorhythmic AV dissociation (nodal escape rhythm alternating with sinus bradycardia), and there were sporadic PVCs. Cardiac arrest was called and advanced life support was undertaken for this patient.
Dr. Smith's ECG Blog
JUNE 5, 2024
The patient presented due to chest pain that was typical in nature, retrosternal and radiating to the left arm and neck. He denied any exertional chest pain. It is unclear if the patient was pain free at this time. He has a medical hx notable for hypertension, hyperlipidemia and previous tobacco use disorder.
Dr. Smith's ECG Blog
APRIL 29, 2020
A 60-something woman presented after a witnessed cardiac arrest. This is commonly found after epinephrine for cardiac arrest, but could have been pre-existing and a possible contributing factor to cardiac arrest. A recent similar case: A 40-something with chest pain. Is this inferior MI?
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
And she does not know that this is an overdose; she thinks it is a patient with chest pain!! This meets the Smith Modified Sgarbossa criteria, but the situation is wrong for diagnosing OMI!! By the way, the PM Cardio Bot Queen of Hearts says this is Not OMI with High Confidence. 3 hours later, this was recorded at a K of 2.8
Dr. Smith's ECG Blog
APRIL 15, 2019
If a patient presents with chest pain and a normal heart rate, or with shockable cardiac arrest, then ischemic appearing ST elevation is STEMI until proven otherwise. CLICK HERE — for the ESC/ACC/AHA/WHF 2018 Consensus Document on the 4th Universal Definition of MI, in which these concepts are discussed and illustrated.
Dr. Smith's ECG Blog
NOVEMBER 18, 2019
U waves may also be found in patients with LVH and/or bradycardia , or occasionally as a normal variant. This is often quite challenging to recognize — but the finding of negative U waves in a patient with chest pain is highly suggestive of ischemia ! N OTE # 2 — On rare occasions, the U wave may be negative.
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