Podcast #197: Ashman Phenomenon

Podcast #197: Ashman Phenomenon

Author: Dylan Luyten M.D.

Educational Pearls:

  • Ashman's Phenomenon occurs in the setting atrial fibrillation and mimics ventricular tachycardia, but is harmless.
  • On ECG, the pattern of Ashman Phenomenon is a long cycle, followed a short cycle, followed by a complex wide complex beat.
  • The wide complex beats have right BBB morphology. The long R-R followed by a short R-R leads to conduction down the left bundle branch while the right bundle branch is still in a refractory period.

References: https://lifeinthefastlane.com/ecg-library/atrial-fibrillation/

Episoder(1146)

Podcast #279: Sedation After Intubation

Podcast #279: Sedation After Intubation

Author: Aaron Lessen, M.D. Educational Pearls Post-intubation care should always include pain control and adequate sedation. Commonly used sedation agents include propofol, ketamine and versed. Howev...

8 Des 20171min

Podcast #278: Subdural Hematomas

Podcast #278: Subdural Hematomas

Educational Pearls Subdural hematomas can happen in the elderly because of brain atrophy, and can manifest with neurological deficit. Subdural hematomas are caused by rupture of the bridging veins of...

6 Des 20172min

Podcast #277: Mucor

Podcast #277: Mucor

Author: Don Stader, M.D. Educational Pearls Mucor/Rhizopus fungal infections usually present in diabetic or immunocompromised patients as a black, necrotic lesion on the face. The fungus invades the ...

4 Des 20172min

Podcast #276: Angioedema

Podcast #276: Angioedema

Author: John Winkler, M.D. Educational Pearls Angioedema is immediately life-threatening due to airway obstruction. Mechanisms include allergic reaction (histamine-related) or bradykinin-related (ACE...

1 Des 20173min

Podcast #275: Battery Ingestions

Podcast #275: Battery Ingestions

Author: Nick Hatch, M.D. Educational Pearls Unlike coin ingestions, button batteries can cause necrosis of the GI tract. If lodged in the esophagus, removal within 2 hours is important, because they ...

29 Nov 20174min

Podcast #274: Pediatric Sedation

Podcast #274: Pediatric Sedation

Author: Aaron Lessen, M.D. Educational Pearls A recent prospective observational study was performed to examine the safety of different sedation medications in the pediatric ED. This study included 6...

27 Nov 20172min

Podcast #273:  Bag Valve Masks

Podcast #273: Bag Valve Masks

Author: Sam Killian, M.D. Educational Pearls Difficulty with bag valve mask (BVM) ventilation can be addressed using the MOANS mnemonic. Mask seal, Obesity/obstruction, Age, No teeth, Sleep apnea. O...

17 Nov 20173min

Podcast #272: More on Temperature in Sepsis

Podcast #272: More on Temperature in Sepsis

Author: David Rosenberg, M.D. Educational Pearls A study of 20,000 subjects found that reducing fever in sepsis did not improve outcomes such as morbidity, mortality, or length of stay. However, corr...

16 Nov 20172min

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