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REBEL Cast Ep113: Defibrillation Strategies for Refractory Ventricular Fibrillation

REBEL EM

Background Information: Double external defibrillation (DED) is an intervention often used to treat refractory ventricular fibrillation (RVF). This procedure involves applying another set of pads attached to a second defibrillator to a patient and shocking them in hopes of terminating the rhythm. N Engl J Med.

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Cardiac Arrest, acute ST elevation and depression superimposed on LVH, but NOT due to ACS

Dr. Smith's ECG Blog

He was resuscitated with chest compressions and defibrillation and 1 mg of epinephrine. ACS would be highly unusual in a young athlete, and given the information on his race bib, one must first suspect that the abnormal ST elevation is due to demand ischemia, not ACS. On his bib it stated that he had a congenital heart disorder.

ACS 52
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Heads Up! There is No Association with Improved Outcomes for Head Up CPR: Why We Must Read Past the Abstract

REBEL EM

Background: There are only two interventions that have been proven in the medical literature to improved outcomes in cardiac arrest: high-quality CPR and early defibrillation. This appears to be data dredging or “seeking more information from a data set than it actually contains.” Head Up (HUP) CPR may be the next critical improvement.

CPR 52
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Transcutaneous Pacing: Part I

EMS 12-Lead

We will be using redacted information from different cases where paramedics attempted TCP in the field. After administering 1mg of epinephrine ROSC is noted with a bradycardic rhythm ( Figure 2 ). Details are edited and redacted to preserve patient anonymity. Junctional Rhythm, occasional PAC's, and artifact.

CPR 312
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Hypothermic Cardiac Arrest: Pearls and Pitfalls

EMDocs

The patient received 1 mg of epinephrine IV x2 with conversion of his rhythm to ventricular fibrillation (VF) for which he was defibrillated twice in the field. The patient is moved over to the stretcher and connected to the monitors and defibrillator. What would your next steps be?

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What are treatment options for this rhythm, when all else fails?

Dr. Smith's ECG Blog

Epinephrine infusion was begun. He required multiple defibrillations within a period of a few hours. This time, the arrhythmia did not spontaneously terminate — but rather degenerated to VFib, requiring defibrillation. Information is scarce when it comes to what constitutes a toxic dose. What do you think?

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A middle aged man with unwitnessed cardiac arrest

Dr. Smith's ECG Blog

EMS report was that the patient had unknown down time with unwitnessed arrest, found initially in VFib arrest, defibrillated x1 followed by PEA arrest alternating with asystolic arrest during transport. Chest compressions were continued, and the patient was given 1 round of epinephrine, calcium, bicarb, glucose. How would you treat?