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

Dr. Smith's ECG Blog

A man in his 90s with a history of HTN, CKD, COPD, and OSA presented to the emergency department after being found unresponsive at home. EKG on arrival to the ED is shown below: What do you think? ng/mL (consistent with prior baseline), and a repeat EKG was obtained 1 hour after the initial EKG. or basilar ischemia.

EKG/ECG 118
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VT? Or Supraventricular tachycardic rhythm with aberrancy?

Dr. Smith's ECG Blog

Here is a normal LBBB: In LBBB, monophasic wide R-waves should be limited to the lateral leads in left bundle branch block, as in this ECG. In that ECG above, there are monophasic R-waves starting in lead V2 all the way out to V6. But why does this EKG look nothing like left bundle branch block? Is this sinus tachycardia or VT?

EKG/ECG 141
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Is all this "ST Depression" due to ischemia?

Dr. Smith's ECG Blog

Written by Magnus Nossen, with some edits by Smith This ECG was transmitted electronically by EMS for evaluation. How would you interpret the ST changes seen in this ECG? Will you accept this patient for emergent coronary angiogram based on the ECG changes? Does the ECG represent STEMI-negative OMI findings?

EKG/ECG 90
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emDOCs Podcast – Episode 98: Post ROSC Mental Model

EMDocs

Check the pulse RSI= Resuscitation Sequence Intubation Hypoxia, Hypotension, and Acidosis are the reason patients code during/post intubation These patients are super high risk for all 4 Optimize first pass success – Induction agent + paralytic Unconscious patients will still have muscle tone Induction Ketamine or Etomidate at half doses (i.e.,

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Chest discomfort and a dilated right ventricle. What's going on?

Dr. Smith's ECG Blog

The following ECG was recorded. The presenting ECG shows SR with narrow QRS complexes. First troponin I returned 3174 ng/l, at which point a repeat ECG was ordered. Not much difference from 1st ECG. At this point an old ECG on file was found for comparison. Upon admission she had ongoing slight chest discomfort.

EKG/ECG 119
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Case Report: Coronary Vasospasm-Induced Cardiac Arrest

ACEP Now

A 45-year-old male with a history of chronic obstructive pulmonary disease (COPD), asthma, amphetamine and tetrahydrocannabinol (THC) use, and coronary vasospasm presented to triage with chest pain. During initial assessment, an ECG was obtained and revealed ST-segment elevation (STE) in the inferior leads with ST depression anteriorly.