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ECG Blog #457 — Is Anything Conducting?

Ken Grauer, MD

I was sent the ECG shown in Figure-1 — told only that that it was from an acutely ill patient on a ventilator, who was being evaluated for bradycardia. QUESTIONS: How would you interpret the ECG in Figure-1 ? Figure-1: The initial ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ).

EKG/ECG 407
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ECG Blog #458 — Complete Heart Block?

Ken Grauer, MD

Figure-1: The initial ECG in today’s case. NOTE: The tracing in Figure-1 is an 8-lead rhythm strip ( and not a complete 12-lead ECG ). As always — I favor systematic assessment of the cardiac rhythm by the P s , Q s , 3 R Approach ( See ECG Blog #185 for review ). As noted earlier — today's tracing is not a 12-lead ECG.

EKG/ECG 318
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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 #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 137
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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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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 91