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REBEL Cast Ep114: High Flow O2, Suspected ACS, and Mortality?

REBEL EM

REBEL Cast Ep114 – High Flow O2, Suspected ACS, and Mortality? PMID: 33653685 Clinical Question: Is there an association between high flow supplementary oxygen and 30-day mortality in patients presenting with a suspected acute coronary syndrome (ACS)? Click here for Direct Download of the Podcast Paper: Stewart, RAH et al.

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Another deadly triage ECG missed, and the waiting patient leaves before being seen. What is this nearly pathognomonic ECG?

Dr. Smith's ECG Blog

Written by Bobby Nicholson, MD 67 year old male with history of hypertension and hyperlipidemia presented to the Emergency Department via ambulance with midsternal nonradiating chest pain and dyspnea on exertion. looked at consecutive patients with PE, ACS, or neither. What do you think? ng/mL, BNP 2790, and lactate 3.7. Kosuge et al.

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See what happens when a left main thrombus evolves from subtotal occlusion to total occlusion.

Dr. Smith's ECG Blog

His wife contacted the ambulance service after the patient experienced an episode of loss of consciousness. The ST segment changes are compatible with severe subendocardial ischemia which can be caused by type I MI from ACS or potentially from type II MI (non-obstructive coronary artery disease with supply/demand mismatch).

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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

She was brought in by ambulance and received aspirin and nitroglycerin en route. Angiogram No obstructive epicardial coronary artery disease Cannot exclude non-ACS causes of troponin elevation including coronary vasospasm, stress cardiomyopathy, microvascular disease, etc. This originally radiated into her left arm. References: 1.

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Simulation Brain Wash

FOAMfrat

While one may argue that nitro really has no mortality benefit in ACS, I have seen patients with CHF present with hyper tension and inferior S-T elevation, in which the providers were scared to even look at the bottle of nitro. References Kimbrell J, Kreinbrook J, Poke D, Kalosza B, Geldner J, Shekhar AC, Miele A, Bouthillet T, Vega J.

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Syncope and Block

EMS 12-Lead

It was during this time that a sudden increase in pulse rate was noted, so another 12 Lead ECG was recorded upon docking the stretcher in the ambulance: There is now 1:1 P:QRS ratio with LBBB. Attending crews then brought the stretcher close and further assisted him to a reclined position of comfort. Hospital transport was unremarkable.

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

Dr. Smith's ECG Blog

The ambulance report says "BP continued to drop during transport and pt remained cold and clammy." The 3 most common causes of ACS ( A cute C oronary S yndrome ) wit hout evidence of obstructive coronary disease on cath are: i ) Myocarditis ( up to 1/3 of these patients ); ii ) Takotsubo cardiomyopathy; and , iii ) MINOCA.

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