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(1144)

Episode 950: Ultrasound Pulse Check During Cardiac Arrest

Episode 950: Ultrasound Pulse Check During Cardiac Arrest

Contributor: Aaron Lessen, MD Educational Pearls: Point-of-care ultrasound (POCUS) is used to assess cardiac activity during cardiac arrest and can identify potential reversible causes such as peric...

31 Maalis 20252min

Episode 949: Hoover's Sign

Episode 949: Hoover's Sign

Contributor: Travis Barlock, MD Educational Pearls: What is Hoover's sign used to identify? This physical exam maneuver differentiates between organic vs. functional (previously known as psychogenic...

24 Maalis 20251min

Episode 948: CYP Inducers and Inhibitors

Episode 948: CYP Inducers and Inhibitors

Contributor: Jorge Chalit-Hernandez, OMS3 Educational Pearls: CYP enzymes are responsible for the metabolism of many medications, drugs, and other substances CYP3A4 is responsible for the majorit...

17 Maalis 20253min

Episode 947: Hypercapnia

Episode 947: Hypercapnia

Educational Pearls: Physiologic stimulation of ventilation occurs through changes in levels of: Arterial carbon dioxide (PaCO2) Arterial oxygen (PaO2) Hypercapnia is an elevated level of CO2...

10 Maalis 20253min

Episode 946: Time to Defibrillation

Episode 946: Time to Defibrillation

Contributor: Aaron Lessen, MD Educational Pearls: Quick background info Cardiac arrest is when the heart stops pumping blood for any reason. This is different from a heart attack in which the heart ...

3 Maalis 20252min

Episode 945: Ketorolac vs. Ibuprofen

Episode 945: Ketorolac vs. Ibuprofen

Contributor: Ricky Dhaliwal, MD Educational Pearls:  Ketorolac and ibuprofen are NSAIDs with equivalent efficacy for pain in the emergency department Oral ibuprofen provides the same relief as in...

24 Helmi 20253min

Episode 944: Colchicine Overdose

Episode 944: Colchicine Overdose

Contributor: Aaron Lessen, MD Educational Pearls: Colchicine is most commonly used for the prevention and treatment of gout There is research investigating the anti-inflammatory and cardioprotect...

17 Helmi 20253min

Episode 943: Portal Vein Thrombosis

Episode 943: Portal Vein Thrombosis

Contributor: Travis Barlock, MD Educational Pearls: What is Portal Vein Thrombosis? The formation of a blood clot within the portal vein, which carries blood from the gastrointestinal tract, pancrea...

10 Helmi 20252min

Suosittua kategoriassa Tiede

tiedekulma-podcast
rss-mita-tulisi-tietaa
rss-poliisin-mieli
docemilia
rss-duodecim-lehti
utelias-mieli
radio-antro
filocast-filosofian-perusteet
rss-laakaripodi
rss-sosiopodi
ihanat-ipanat
sotataidon-ytimessa
mielipaivakirja
rss-bios-podcast
rss-radplus
rss-opeklubi
rss-lihavuudesta-podcast