Podcast #243: Sphenopalatine Nerve Block

Podcast #243: Sphenopalatine Nerve Block

Author: Don Stader, M.D.

Educational Pearls

  • Cluster headaches are usually intense, unilateral, and involve the periorbital area.
  • CN V (Trigeminal) provides sensory and autonomic innervation the face and eyes, which play roles in headache pathology.
  • Cluster headaches can be treated with high flow oxygen, but a new treatment involves blocking the sphenopalatine ganglion (SPG) with lidocaine. Because sensory and autonomic branches of the trigeminal traverse the SPG, lidocaine will effectively treat a cluster headache.
  • To block the ganglion, intranasal lidocaine may be used, or a Q-tip soaked in 4% lidocaine can be applied to the most posterior aspect of the pharynx for 10-15 minutes.

References: https://www.aliem.com/2017/03/trick-sphenopalatine-ganglion-block-primary-headaches/

Avsnitt(1148)

Podcast # 353: Xofluza

Podcast # 353: Xofluza

Author: Sam Killian, MD Educational Pearls: Japan recently approved baloxavir marboxil (Xofluza), which may potentially "kill" Flu A/B within 24 hours Recent RCT trial showed superiority over oselt...

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Podcast #352: TXA for Epistaxis

Podcast #352: TXA for Epistaxis

Podcast #352: TXA for Epistaxis Author: Chris Holmes, M.D. Educational Pearls: TXA: tranexamic acid; used in control of bleeding in major trauma, postpartum hemorrhage, etc. In study of 216 pati...

13 Juli 20183min

Podcast #351: Indications for AICD

Podcast #351: Indications for AICD

Author: Pete Bakes, MD Educational Pearls: AICD: Automated Implantable Cardioverter-Defibrillator. Can be placed for secondary prevention of cardiac arrest (i.e. history of cardiac arrest not fr...

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Podcast # 350: Pressors and Ischemia

Podcast # 350: Pressors and Ischemia

Author: Nick Hatch, MD. Educational Pearls: A common concern using vasopressors is the risk of digital and mesenteric ischemia. The absolute risk of digital ischemia and/or mesenteric ischemia is...

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Podcast # 349: Fat Emboli

Podcast # 349: Fat Emboli

Author: Sue Chilton, MD Educational Pearls: Triad of fat emboli syndrome is a petechial rash, AMS, and respiratory distress. Petechiae usually start in the axilla. 90% of patients with long bon...

4 Juli 20183min

Podcast # 348: Steakhouse Syndrome

Podcast # 348: Steakhouse Syndrome

Author: Don Stader, MD Educational Pearls: Steakhouse syndrome is an impacted esophageal food bolus. Occurs because they have an esophageal stricture (schatzki ring, scarring, esophagitis). Cla...

2 Juli 20183min

Podcast # 347: Fasting and Procedural Sedation

Podcast # 347: Fasting and Procedural Sedation

Author: Sam Killian, MD Educational Pearls: Recent study examining fasting and adverse events during procedural sedation found no association between fasting duration and any type of adverse event....

29 Juni 20183min

Podcast # 346: Pediatric DKA

Podcast # 346: Pediatric DKA

Author: Chris Holmes, MD Educational Pearls: There is a risk of cerebral edema in pediatrics with DKA if over resuscitated. Recent study comparing normal saline vs. ½ normal saline showed no diff...

27 Juni 20184min

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