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ECG Blog #435 — Did Cath Show Acute Ischemia?

Ken Grauer, MD

The ECG in Figure-1 — was obtained from a middle-aged woman with positional tachycardia and diaphoresis with change of position from suprine to sitting. Although CP ( C hest P ain ) was not a prominent symptom — ACS ( A cute C oronary S yndrome ) was suspected from the chest lead T wave inversion seen on this ECG. WHY — or Why Not?

EKG/ECG 433
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ECG Blog #388 — Why Does Lead V1 Look Funny?

Ken Grauer, MD

The ECG in Figure-1 was obtained from an 18-year old woman — who moments before been resuscitated from out-of-hospital cardiac arrest. How would YOU interpret her post-resuscitation ECG? Does this ECG in Figure-1 provide clue(s) to the etiology of this patient's cardiac arrest? QUESTIONS: In light of the above clinical history.

EKG/ECG 370
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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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Another deadly triage ECG missed, and the waiting patient leaves before being seen. What is this nearly pathognomonic ECG?

Dr. Smith's ECG Blog

Pain improved to 1/10 after EMS administers 324 mg aspirin and the following EKG is obtained at triage. If this EKG were handed to you to screen from triage without any clinical information, what would you think? Do you appreciate any dynamic changes compared to the patient’s prior EKG? What do you think? In fact, Kosuge et al.

EKG/ECG 141
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Is OMI an ECG Diagnosis?

Dr. Smith's ECG Blog

What do you think of the ECG, and does it matter? I sent this to the Queen of Hearts So the ECG is both STEMI negative and has no subtle diagnostic signs of occlusion. 2] This is because, contrary to Bayesian reasoning, the STEMI paradigm is named after and defined by one part of one test: ST elevation on ECG. But only 6.4%

EKG/ECG 124
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Chest pain and new regional/reciprocal ECG changes compared to previous ECGs: code STEMI?

Dr. Smith's ECG Blog

Below is old and then new ECG (old on top; new below). Both ECGs have normal sinus rhythm, normal conduction and normal voltages. Because of the ECG changes in a patient with chest pain, and with inferolateral hypokinesis on POCUS, the cath lab was activated. What do you think? But do they represent acute coronary occlusion?

EKG/ECG 96
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Four patients with chest pain and ‘normal’ ECG: can you trust the computer interpretation?

Dr. Smith's ECG Blog

All initial ECGs were labeled ‘normal’ or ‘otherwise normal’ by the computer interpretation, and below are the ECGs with the final cardiology interpretation. 1-3] But these studies were very short duration and used cardiology interpretation of ECGs or emergent angiography rather than patient outcomes.

EKG/ECG 123