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SAEM Clinical Images Series: Dusky Feet

ALiEM

A 94-year-old female with a past medical history of hypertension, coronary artery disease, chronic venous stasis, and permanent pacemaker placement initially presented to triage complaining of left hip pain in the setting of a fall shortly prior to arrival. 2014 Jul; 3(4):351-67. Ann Cardiothorac Surg. doi: 10.3978/j.issn.2225-319X.2014.07.05.

ACS 130
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Is OMI an ECG Diagnosis?

Dr. Smith's ECG Blog

The ECG is just a test: a Bayesian approach to acute coronary occlusion If a patient with a recent femur fracture has sudden onset of pleuritic chest pain, shortness of breath, and hemoptysis, the D-dimer doesn’t matter: the patient’s pre-test likelihood for PE is so high that they need a CT. Circulation 2014 2. But does this matter?

STEMI 121
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Occlusion myocardial infarction is a clinical diagnosis

Dr. Smith's ECG Blog

For the same reason, you should not delay coronary angiography because pain resolves with morphine. Both the outdated 2014 AHA/ACC guidelines and the updated 2023 ESC guidelines recommend immediate invasive management of patients with uncontrolled chest pain. 2023 ESC guidelines for the management of acute coronary syndromes.

E-9-1-1 125
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REBEL Cast Ep114: High Flow O2, Suspected ACS, and Mortality?

REBEL EM

Background: Historically, we have treated acute coronary syndrome with supplemental oxygen regardless of the patient ’ s oxygen saturation. More recent evidence, however, demonstrates that too much oxygen could be harmful ( AVOID Trial ) by causing coronary vasoconstriction and increasing oxidative stress. Circulation 2014.

ACS 52
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"A patient just arrived as a transfer for NSTEMI."

Dr. Smith's ECG Blog

I quickly reviewed the patient’s records and saw that she was a 53 year old woman with a history of BMI 40, but no other identifiable risk factors for coronary artery disease. In this patient with stuttering symptoms and rising troponin, there is no other option but to perform emergent coronary angiography. Hers is shown below.

Coronary 108
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SGEM#192: Sometimes, All You Need is the Air that You Breathe

The Skeptics' Guide to EM

Studies have shown that oxygen can cause vasoconstriction, increase blood pressure and decrease coronary artery blood flow ( Kones et al AM J Med 2011). Oxygen supplementation in non-hypoxemic patients with acute myocardial infarction has been a hot topic since the publication of the AVOID-trial ( Stub et al Circulation 2014).

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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

Hgb 11g/dL (110g/L) and leukocytosis, and a mildly elevated troponin (36 ng/L, with normal 1mm STE in aVR due to ACS will require coronary artery bypass surgery for revascularization, the infarct artery is often not the LM, but rather the LAD or severe 3-vessel disease. Incidence of an acute coronary occlusion. link] Harhash AA et al.