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/

Episoder(1147)

Podcast #203: Wine, Milk and… Vaccines!?

Podcast #203: Wine, Milk and… Vaccines!?

Author: Dave Rosenberg M.D. Educational Pearls: Louis Pasteur developed the technique that is now known as pasteurization. It was first used in the wine-producing regions of France, and eventually in...

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Podcast #202: Tide Pods

Podcast #202: Tide Pods

Author: Susan Brion M.D. Educational Pearls: Laundry and dishwasher detergent pods resemble candy and can be ingested by children. These tide pods are very highly concentrated and can cause chemical ...

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Podcast #201: Task Interruption

Podcast #201: Task Interruption

Author: Mark Kozlowski M.D. Educational Pearls: Humans cannot "multitask" effectively - a more accurate term is "task interruption." When doing more than one task at once, we are more likely to forge...

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Podcast #200: Non-traumatic Back Pain

Podcast #200: Non-traumatic Back Pain

Author: Don Stader M.D. Educational Pearls: Non-traumatic back pain is a very common complaint in the Emergency Department. Conditions that can manifest with back pain include: ruptured abdominal aor...

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Podcast #199: Prolonged QT with Zofran

Podcast #199: Prolonged QT with Zofran

Author: Arthur Lessen M.D. Educational Pearls: Zofran (ondansetron) is generally safe to use for the treatment of nausea and vomiting. However, it can prolong the QT interval and increase the chance ...

4 Mai 20173min

Podcast #198: Imodium

Podcast #198: Imodium

Author: Aaron Lessen M.D. Educational Pearls: Imodium (loperamide) is a mu-opioid receptor agonist. Traditionally, it is used as an anti-diarrheal. It is also abused recreationally for an opioid high...

2 Mai 20173min

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 Phenomen...

30 Apr 20171min

Podcast #196: DVT and May-Thurner Syndrome

Podcast #196: DVT and May-Thurner Syndrome

Author: Samuel Killian M.D. Educational Pearls: Lower extremity DVTs are extremely common. There are more left lower extremity DVT due to anatomical variation. May-Thurner Syndrome is a form of anato...

28 Apr 20172min

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