Dr. Smith's ECG Blog

JUNE 12, 2017

He had a family history of early CAD and occasional drug and tobacco use. The ECG was alarming to the ED physician who did indeed review it. Mawri S, Michaels A, Gibbs J, et al. It is not yet available, but this is your way to get on the list. link] Here is the history: A 30 yo man presented complaining of severe chest pain.

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Dr. Smith's ECG Blog

JANUARY 9, 2023

No family history of sudden cardiac death, cardiomyopathy, premature CAD, or other cardiac issues. There is a literature on this subject ( GGF van der Schoot et al: Neth Heart J 28(6):301-308, 2020 — and — Egred et al — Postgrad Med 81(962): 741-745, 2005 — to name just 2 reports ). No similar symptoms in the past.

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Dr. Smith's ECG Blog

SEPTEMBER 16, 2015

A middle-aged male with h/o CAD and stents presented with typical chest pressure. The patient arrived in the ED and had this ECG recorded: Interpretation? See this paper by Widimsky et al, which shows the high association of RBBB, especially with LAFB, with LAD occlusion. This is a very common misread.

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Dr. Smith's ECG Blog

JULY 11, 2019

Cardiology was called and the patient was taken for urgent catheterization with the time from ED arrival to cath about 1 hour and 45 minutes. He also had non-acute CAD of the RCA (50%) and LCX (50%). I focus my att ention on the interpretation of the initial ED tracing ( = E CG # 1 in Figure-1 ).

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Dr. Smith's ECG Blog

SEPTEMBER 29, 2018

His ED cardiac ultrasound (which is not at all ideal for detecting wall motion abnormalities, and is also very operator dependent for this finding) was significant for depressed global EF. In this study of dialysis patients with severe CAD, 77% had an abnormal resting EKG and the most common abnormality was LVH. Herzog et al.

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CAD OR ED ALS 52

Dr. Smith's ECG Blog

JANUARY 20, 2024

Cardiology refused to be the admitting physician because it was "NSTEMI", and forced the ED physician to admit the patient to the hospitalist. Of course, there was terrible boarding and the patient was considered non-emergent (NSTEMI), and so could not leave the ED for some time. Scattered other nonobstructive CAD.

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STEMI CAD ED ALS 117

Dr. Smith's ECG Blog

JUNE 2, 2023

Despite otherwise normal vital signs, she was appropriately triaged to the critical care area of the ED. They are rare and hard to find in normal practice in the ED. She denied chest pain and denied feeling any palpitations, even during her triage ECG: What do you think? There is mild-moderate tricuspid valve regurgitation.

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Dr. Smith's ECG Blog

JULY 22, 2023

An ECG was performed in the ED at 1554: Original image unavailable, this is the only recorded scanned ECG available. QOH Interpretation: The initial troponin I (older generation) at the first ED was barely positive at 0.06 In the largest study looking at this topic by Mizusawa et al., He denied chest pain or shortness of breath.

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E-9-1-1 CAD OR STEMI 69

Dr. Smith's ECG Blog

NOVEMBER 30, 2022

Reference on Troponins: Xenogiannis I, Vemmou E, Nikolakopoulos I, et al. J Electrocardiol [Internet] 2022;Available from: [link] Cardiology opinion: Takotsubo Cardiomyopathy (EF 30-35%) V Fib Cardiac arrest Prolonged QTC NSTEMI (Smith comment: is it NSTEMI or is it Takotsubo? -- these are entirely different) Moderate single-vessel CAD.

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Emergency Department E-9-1-1 Coronary STEMI 52

Dr. Smith's ECG Blog

MARCH 6, 2019

She was asymptomatic at the time of this ECG recorded on arrival to our ED: What do you think? She also had non-acute CAD of the left main (50%) and LCX (75%). Patel et al., Krucoff et al.) Patel et al. Krucoff et al. Schomig et al. What will you do for this asymptomatic patient??? They opened it.

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Dr. Smith's ECG Blog

JANUARY 30, 2019

A formal echocardiogram was completed the next day and again showed a normal ejection fraction without any focal wall motion abnormalities to suggest CAD. In the largest study looking at this topic by Mizusawa et al., She has not had a heart catheterization or after this event so the presence or absence of CAD is still unknown.

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E-9-1-1 CAD STEMI OR 52

Dr. Smith's ECG Blog

NOVEMBER 19, 2016

The patient was brought directly to the cardiac catheterization lab for PCI, bypassing the ED. As I met the paramedics and cath team in the lab, I was ready to see severe coronary disease (CAD), but the vessels were non-obstructive. Taglieri N, Marzocchi A, Saia F, et al. Kosuge M, Ebina T, Hibi K, et al. Khot, MD; et al.

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Coronary ACS ALS STEMI 52

Dr. Smith's ECG Blog

AUGUST 9, 2019

Smith and Meyers answer: First , LM occlusion is uncommon in the ED because most of these die before they can get a 12-lead recorded. She had a proven 100% Left Main occlusion No ST shift in aVR This pattern of RBBB/LAFB was also the most common pattern in Fiol et al. Widimsky P et al. Knotts et al. References 7.

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Dr. Smith's ECG Blog

JUNE 18, 2013

This was my thought: if this patient presented to the ED with chest pain, then this is an LAD occlusion. Fesmire et al. Wang T, Zhang M, Fu Y, et al. Sorajja P, Gersh BJ, Cox DA, et al. Pride YB, Tung P, Mohanavelu S, et al. Marti D et al. See image below: Slow upstroke, fast downstroke. Asymmetric.

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