Remove Hemorrhage Remove Ischemia Remove STEMI
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Unconscious + STEMI criteria: activate the cath lab?

Dr. Smith's ECG Blog

ECG met STEMI criteria and was labeled STEMI by computer interpretation. J waves can also be induced by Occlusion MI (5), STEMI mimics including takotsubo and myocarditis complicated by ventricular arrhythmias (6, 7), and subarachnoid hemorrhage with VF (8). Take home : Not all STEs are STEMIs or OMIs.

STEMI 52
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A 50 year old man with sudden altered mental status and inferior STE. Would you give lytics? Yes, but not because of the ECG!

Dr. Smith's ECG Blog

Side note: The differential of sudden persistent loss of consciousness with adequate hemodynamics is relatively short: seizure, intracranial hemorrhage, basilar artery occlusion. We have also shown several cases in which atrial flutter hides true, active ischemia. Is this inferor STEMI? Atrial Flutter with Inferior STEMI?

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An elderly male with acute altered mental status and huge ST Elevation

Dr. Smith's ECG Blog

Written by Bobby Nicholson What do you think of this “STEMI”? CTA head and neck were obtained and showed no evidence of intracranial hemorrhage, large vessel occlusion stroke (what a helpful and apt name for an acute arterial occlusion paradigm, by the way.), or basilar ischemia. Blood glucose was not low at 162 mg/dL.

STEMI 101
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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

This has been termed a “STEMI equivalent” and included in STEMI guidelines, suggesting this patient should receive dual anti-platelets, heparin and immediate cath lab activation–or thrombolysis in centres where cath lab is not available. His response: “subendocardial ischemia. Anything more on history? POCUS will be helpful.”

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Tachycardia must make you doubt an ACS or STEMI diagnosis; put it all in clinical context

Dr. Smith's ECG Blog

He was rushed by residents into our critical care room with a diagnosis of STEMI, and they handed me this ECG: There is sinus tachycardia with ST elevation in II, III, and aVF, as well as V4-V6. At first glance, it seems the patient is having a STEMI. ACS and STEMI generally do not cause tachycardia unless there is cardiogenic shock.

STEMI 52
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How does Acute Total Left Main Coronary occlusion present on the ECG?

Dr. Smith's ECG Blog

Post by Smith and Meyers Sam Ghali ( [link] ) just asked me (Smith): "Steve, do left main coronary artery *occlusions* (actual ones with transmural ischemia) have ST Depression or ST Elevation in aVR?" All are, however, clearly massive STEMI. This is her ECG: An obvious STEMI, but which artery?

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46 year old with chest pain develops a wide complex rhythm -- see many examples

Dr. Smith's ECG Blog

The receiving emergency physician consulted with interventional cardiology who stated there was no STEMI. below) Other examples of AIVR: Young man with Gunshot wound to right chest with hemorrhagic shock, but bullet path not near heart. Is there STEMI? The patient continued having chest pain. In other words, it is a safe rhythm.