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How a pause can cause cardiac arrest

Dr. Smith's ECG Blog

While on telemetry monitoring he suffered cardiac arrest and was resuscitated. What ECG finding may have contributed to (or precipitated) the cardiac arrest? A coronary angiogram was done that did not show significant coronary artery disease. There are no clear signs of OMI. There is a prolonged QTc.

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Torsade in a patient with left bundle branch block: is there a long QT? (And: Left Bundle Pacing).

Dr. Smith's ECG Blog

See this post: How a pause can cause cardiac arrest 2. Finally, do a coronary angiogram Possible alternative to pacing is to give a beta-1 agonist to increase heart rate. For more on Torsades de Pointes vs PMVT See My Comment in the October 18, 2023 post and the September 2, 2024 post in Dr. Smith's ECG Blog ).

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Normal angiogram one week prior. Must be myocarditis then?

Dr. Smith's ECG Blog

IMPRESSION: The finding of sinus bradycardia with 1st-degree AV block + marked sinus arrhythmia + the change in PR interval from beat #5-to-beat #6 — suggests a form of vagotonic block ( See My Comment in the October 9, 2020 post in Dr. Smith's ECG Blog ). As a result — an ICD may need to be considered in selected cases.

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90 year old with acute chest and epigastric pain, and diffuse ST depression with reciprocal STE in aVR: activate the cath lab?

Dr. Smith's ECG Blog

We investigated the incidence of an acutely occluded coronary in patients presenting with STE-aVR with multi-lead ST depression. All electrocardiograms (ECGs) and coronary angiograms were blindly analyzed by experienced cardiologists. Results Emergent angiography was performed in 80% (79/99) of patients. A normal PR interval.