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ECG Blog #449 — Isorhythmic AV Dissociation?

Ken Grauer, MD

The ECG in Figure-1 — was obtained from a 45-year old man with diabetes, who was being treated for septic shock. QUESTIONS: How would YOU interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. What is the rhythm? Why does QRS morphology in the long lead II rhythm strip change every-other-beat?

EKG/ECG 262
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Sudden shock with a Nasty looking ECG. What is it?

Dr. Smith's ECG Blog

She was found by medics agitated, hypotensive, diaphoretic, and in shock. There were 2 prehospital ECGs: What do you think? When I was shown this ECG, I said it looks like such widespread ischemia that is might be a left main occlusion, or LM ischemia plus circumflex occlusion (high lateral and posterior OMI).

Shock 130
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ECG Blog #453 — Is this Wellens' Syndrome?

Ken Grauer, MD

The ECG in Figure-1 was obtained from a middle-aged man who presented with a 2 week history of progressively increasing CP ( C hest P ain ) with exertion. He had his most severe episode of CP the day before he was seen with this ECG. An initial Troponin drawn less than 1 hour after the ECG in Figure-1 was recorded was over 10,000.

EKG/ECG 236
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ECG Blog #400 — Is this a NSTEMI?

Ken Grauer, MD

The ECG in Figure-1 is from an older man with known coronary disease — who presents to the ED ( E mergency D epartment ) with new CP ( C hest P ain ) over the past several days. QUESTIONS: In view of this history — How would you interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. Troponin is pending.

EKG/ECG 245
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Young man with Gunshot wound to right chest with hemorrhagic shock, but bullet path not near heart

Dr. Smith's ECG Blog

A young man presented with a gunshot wound to the right chest, with hemo-pneumothorax and hemorrhagic shock. But he did get an EKG: What is this? Figure-1: The ECG sent to Ken Grauer ( showing some semblance of "group" beating ). He got a chest tube and intubation and massive transfusion and stabilized. Formal echo was normal.

Shock 128
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ECG Blog #366 — Diltiazem didn't work.

Ken Grauer, MD

The ECG and long lead II rhythm strip in Figure-1 — was obtained from a COVID positive patient with persistent tachycardia not responding to Diltiazem. Figure-1: The initial ECG — obtained from a patient with persistent tachycardia. ( To improve visualization — I've digitized the original ECG using PMcardio ).

EKG/ECG 195
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A 34 yo Man with chest pain and Zero ST Elevation

Dr. Smith's ECG Blog

His first EKG is shown below, with a lead II rhythm strip: EKG 1, 1645 A provisder who is looking for STEMI would not see much in this EKG. This EKG coupled with the patient's story is highly suggestive if not diagnostic of inferior OMI. One's training has NOTHING to do with one's OMI ECG interpretation skills.

EKG/ECG 109