Podcast 682: Snake Bites

Podcast 682: Snake Bites

Contributor: Gretchen Hinson, MD

Educational Pearls:

  • Pit vipers include cottonmouths, rattlesnakes, and copperheads
    • All have folding long fangs, triangular face, and elliptical pupils
  • About 5,000 snakebites per year reported to Poison Control
  • Initially develop a local reaction (swelling, bruising, pain, bullae)
  • Complications can include
  • 25% of snake bites result in no envenomation (dry bites)
  • 20% of bites have serious side-effects, which can include hematologic, cardiovascular, neurologic and, muscular abnormalities, or even anaphylaxis to the envenomation itself
  • Minor symptoms should be observed for 12-24 hours
  • Moderate to severe symptoms are typically treated with antivenom
  • CroFab and other antivenoms are expensive, with costs upwards of $3200 per vial wholesale, though newer agents are cheaper
  • Treat with 4-6 vials of CroFab initially with moderate symptoms and subsequent redosing with

References

Buchanan JT, Thurman J. Crotalidae Envenomation. [Updated 2021 Jan 29]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan.

Kanaan NC, Ray J, Stewart M, et al. Wilderness Medical Society Practice Guidelines for the Treatment of Pitviper Envenomations in the United States and Canada. Wilderness Environ Med. 2015;26(4):472-487. doi:10.1016/j.wem.2015.05.007

Summarized by John Spartz, MS4 | Edited by Erik Verzemnieks, MD

The Emergency Medical Minute is excited to announce that we are now offering AMA PRA Category 1 credits™ via online course modules. To access these and for more information, visit our website at www.emergencymedicalminute.com/cme-courses/ and create an account.

Donate to EMM today!



Jaksot(1145)

Podcast 633: Pathologic Femur Fractures

Podcast 633: Pathologic Femur Fractures

Contributor: Jared Scott, MD Educational Pearls: Pathologic bone fractures occur due to weakened bones from chronic disease and with less force when compared to non-pathologic fractures Can be due to...

19 Tammi 20215min

Podcast 632: Neonatal Jaundice

Podcast 632: Neonatal Jaundice

Contributor: Jared Scott, MD Educational Pearls: Bilirubin is natural breakdown product of red blood cells but can be neurotoxic if levels become too high Fetal red blood cells are fragile and break ...

18 Tammi 20216min

Pharmacy Phriday #7: Bactrim Adverse Events

Pharmacy Phriday #7: Bactrim Adverse Events

Contributor: Cheyenne Bean, PharmD Educational Pearls: Bactrim (TMP-SMX) is a sulfa antibiotic used for a number of infections but can have untoward effects. Hypoglycemia can be induced by the sulfa ...

15 Tammi 20214min

Podcast 631: UK COVID-19 Mutation

Podcast 631: UK COVID-19 Mutation

Contributor: Gretchen Hinson, MD Educational Pearls: Viruses mutate frequently and a new variant of COVID has been found in the United Kingdom. Mutations typically occur due to transcription errors d...

13 Tammi 20215min

Podcast 630: Evolution of an STEMI

Podcast 630: Evolution of an STEMI

Contributor: Peter Bakes, MD Educational Pearls: Hyperacute T waves can occur immediately and typical last less than an hour Hyperacute T waves are typically broader than peaked T-waves, which are ...

12 Tammi 20215min

Podcast 629: Inferior STEMI

Podcast 629: Inferior STEMI

Contributor: Jared Scott, MD Educational Pearls: EKGs look at different angles, or vectors, of the heart's electrical conduction as it travels through the heart. Knowing how to read these vectors is ...

11 Tammi 20214min

Podcast 628: ST Elevation

Podcast 628: ST Elevation

Contributor: Peter Bakes, MD Educational Pearls: STEMI criteria is not just 1mm elevation in contiguous leads 1.5 mm in V2-V3 for women 2.0 mm in V2-V3 for men 2.5 mm in V2-V3 for men under 40 In...

5 Tammi 20215min

Podcast 627: Oxygen Like It's Hot

Podcast 627: Oxygen Like It's Hot

Contributor: Aaron Lessen, MD Educational Pearls: High flow nasal cannula (HFNC) has become more utilized with COVID pandemic Multiple studies have shown this method improves both oxygenation and ven...

4 Tammi 20213min

Suosittua kategoriassa Tiede

tiedekulma-podcast
rss-mita-tulisi-tietaa
rss-poliisin-mieli
rss-duodecim-lehti
docemilia
radio-antro
filocast-filosofian-perusteet
rss-ammamafia
rss-luontopodi-samuel-glassar-tutkii-luonnon-ihmeita
rss-sosiopodi
utelias-mieli
rss-astetta-parempi-elama-podcast
rss-tiedetta-vai-tarinaa