Remove Blog Remove Bradycardia Remove Coronary Angiogram
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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 ). Initial high sensitivity troponin I returned at 6ng/L (normal 0.20

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What would you do with acute chest pain and this ECG? You might see what the Queen thinks.

Dr. Smith's ECG Blog

Three months prior to this presentation, he received a pacemaker for severe bradycardia and syncope due to sinus node dysfunction. The ED provider ordered a coronary CT scan to assess the patient for CAD. The patient was taken emergently to the cath lab for a pericardiocentesis instead of a coronary angiogram.

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A man with chest pain off and on for two days, and "No STEMI" at triage.

Dr. Smith's ECG Blog

Soon afterward, the patient’s symptoms return along with lightheadedness, bradycardia, and hypotension. The patient has also developed sinus bradycardia, which may result from right coronary artery ischemia to the SA node. The Queen of Hearts agrees: Around this time his initial high sensitivity troponin I resulted at 231 ng/L.

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How a pause can cause cardiac arrest

Dr. Smith's ECG Blog

A coronary angiogram was done that did not show significant coronary artery disease. I have periodically called attention to examples of the Ashman phenomenon as they occur in Dr. Smith's ECG Blog ( See My Comments in the January 5, 2020 post — the June 17, 2020 post — and the March 30, 2023 post , among others ).

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See OMI vs. STEMI philosophy in action

Dr. Smith's ECG Blog

His first electrocardiogram ( ECG) is given below: --Sinus bradycardia. Here is the coronary angiogram: A distal thrombotic right coronary artery (RCA) occlusion ! Blood pressure: 130/80 mmHg, heart rate: 45/min, respiratory rate: 18/min, SaO2: %98, body temperature: normal. No reciprocal ST-segment depression (STD). --QT

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