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Concerning EKG with a Non-obstructive angiogram. What happened?

Dr. Smith's ECG Blog

link] A 62 year old man with a history of hypertension, type 2 diabetes mellitus, and carotid artery stenosis called 911 at 9:30 in the morning with complaint of chest pain. Challenge QUESTION: The relative change in T-QRS-D is not the only thing that changes during period of time that passed between recording of the 2 ECGs shown in Figure-1.

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What does the angiogram show? The Echo? The CT coronary angiogram? How do you explain this?

Dr. Smith's ECG Blog

Angiogram No obstructive epicardial coronary artery disease Cannot exclude non-ACS causes of troponin elevation including coronary vasospasm, stress cardiomyopathy, microvascular disease, etc. CORONARY ARTERIES: Exam was not directly tailored for coronary artery evaluation, noting recent diagnostic coronary angiogram.

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A 30-something with acute chest pain

Dr. Smith's ECG Blog

Coronaries were clean. I agree, however: 1) I don't think you can get a good enough ech o without bubble contrast. 3) E cho is another step that takes time. I agree, however: 1) I don't think you can get a good enough ech o without bubble contrast. 3) E cho is another step that takes time. Time is myocardium.

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What Lies Beneath

EMS 12-Lead

Question 1: What is the rhythm? Beat 1 : Sinus, narrow QRS complex. The assumption is that a premature complex discharged prior to Beat 1, which prolonged its respective refractory period in the same manner as Beat 5. The coronary angiogram revealed no critical stenosis, or acute plaque ulceration.

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How important are old ECGs in Non-obvious cases of potential OMI?

Dr. Smith's ECG Blog

We who know ischemic ECGs know that really when T-wave inversion is specific for coronary thrombosis that it indicates reperfusion of the artery, not active occlusion. Learning Point: 1. For examples of such exceptions — See My Comment in the January 9, 2019 — August 22, 2020 — and June 30, 2023 posts in Dr. Smith's ECG Blog ).

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Teenager with chest pain and slightly elevated troponin. What happens then?

Dr. Smith's ECG Blog

The pain is described as located in the midsternal area, radiating to the right arm, described as 8-9/10 and worse with deep inspirations. In the evening, he became diaphoretic and complained of 9/10 continuous chest pain. If there is NO WMA, then it is not coronary occlusion, but if there IS one, then you still don't have a diagnosis.

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"Pericarditis" strikes again

Dr. Smith's ECG Blog

On review of systems the patient reported back pain for approximately 1 week which he was treating with NSAIDs with minimal relief. 15-9/6/2017 ). Figure-1: Excerpt from ESC review on acute pericarditis ( See text ). P EARL # 1 — The appearance of the ST-T wave in lead II tends to resemble that in lead I with acute pericarditis.

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