2018 Bradycardia Ischemia 
Dr. Smith's ECG Blog
JUNE 5, 2024
The ECG does not show any definite signs of ischemia. It is unclear if the patient was pain free at this time. In fact, the ECG was described as normal, and without serial ECGs or prior ECGs for comparison it could be. Initial high sensitivity troponin I returned at 6ng/L (normal 0.20
Dr. Smith's ECG Blog
NOVEMBER 9, 2018
For instance, if there were inappropriate sinus bradycardia at less than 60 bpm, the atrial pacer would take over if it is programmed to wait 1 second before firing. The T-waves of both of these beats have, coincidentally , a superimposed P-wave Clinical course: The potassium was normal, there was no ischemia or drug toxicity.
Dr. Smith's ECG Blog
OCTOBER 20, 2024
The first task when assessing a wide complex QRS for ischemia is to identify the end of the QRS. The ST segment changes are compatible with severe subendocardial ischemia which can be caused by type I MI from ACS or potentially from type II MI (non-obstructive coronary artery disease with supply/demand mismatch). What do you think?
Ken Grauer, MD
JUNE 2, 2023
to 1828 msec. ) — which corresponds to a variation in the rate of sinus bradycardia from 36-to-33/minute. This makes sense given that the underlying rhythm in today's case appears to be marked sinus bradycardia and arrhythmia , with a ventricular escape rhythm appearing when the SA node rate drops below 33/minute.
Dr. Smith's ECG Blog
FEBRUARY 6, 2024
The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Other Arrhythmias ( PACs, PVCs, AFib, Bradycardia and AV conduction disorders — potentially lethal VT/VFib ). Chest trauma was suspected on initial exam. Here is his initial ECG around 1330: What do you think?
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. With a twist. Do you recognize this ECG yet? Right Bundle Branch Block with ST Elevation in V1?
Dr. Smith's ECG Blog
MAY 6, 2019
Followup ECG: No Change Absence of evolution is the best evidence against ischemia as the etiology. I was taught that the tell-tale sign of ischemia vs an electrical abnormality was in the hx, i.e. chest pain for the ischemia and potential syncope for brugada. Ischemia/infarction. Bradycardia. Hypothermia.
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