Podcast #318: Nystagmus

Podcast #318: Nystagmus

Author: Erik Verzemnieks, M.D.


Educational Pearls:

● Common causes of nystagmus: Congenital disorders, CNS diseases (MS, CVA), Intoxication

● Drugs associated (ETOH, Ketamine, PCP, SSRI, MDMA, Lithium, Phenytoin, Barbiturates)

● If a patient has nystagmus and is intoxicated, consider other drugs and etiologies as potential sources

References:
Alpert JN. (1978). Downbeat nystagmus due to anticonvulsant toxicity. ​Annals of

Neurology.​ 4(5):471-3.
Rosenberg, ML. (1987) Reversible downbeat nystagmus secondary to excessive

alcohol intake. ​Journal of Clinical Neuroophthalmology​. 7(1):23-5.

Weiner AL, Vieira L, McKay CA, Bayer MJ. (2000). Ketamine abusers presenting to the emergency department: a case series. ​Journal of Emergency Medicine.​ 18(4):447-51.

Avsnitt(1147)

Podcast # 458: A Tylenol a Day Keeps the Delirium Away?

Podcast # 458: A Tylenol a Day Keeps the Delirium Away?

Author: Nick Hatch, MD Educational Pearls: A recent study investigated the effect of scheduled IV acetaminophen on the incidence of delirium in post-CABG patients in the ICU The use of scheduled IV...

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Podcast # 457: Stroke Scores

Podcast # 457: Stroke Scores

Author: Jared Scott, MD Educational Pearls: Modified Rankin Score: measure of disability often used to qualify outcomes following stroke = no disability, 6=dead, 0-1 indicate good outcome) 0-6 S...

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Podcast # 456 Hypoglycemia: Not feeling so sweet

Podcast # 456 Hypoglycemia: Not feeling so sweet

Author: Jared Scott, MD Educational Pearls: Beta-blockers can mask the effects of hypoglycemia Prolonged/refractory hypoglycemia should raise a suspicion for sulfonylurea (or other oral hypoglycemi...

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Podcast # 455: Hunting for PeeCP

Podcast # 455: Hunting for PeeCP

Author: Michael Hunt, MD Educational Pearls: Like all tests, urine toxicology (utox) screens can have false positives Prescription medications such as demerol, antipsychotics, ketamine, and tramado...

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Podcast # 454: Tylenol Overdose

Podcast # 454: Tylenol Overdose

Educational Pearls: Acetaminophen overdose can also present in patients taking too much over the course of days to weeks - not just intentional ingestions If acute overdose is suspected, refer to t...

9 Apr 20194min

Podcast # 453:  Headache Triggers

Podcast # 453: Headache Triggers

Author: Sam Killian, MD Educational Pearls:   Headache is a common complaint in the ED. It's plausible that headaches could be correlated with environmental factors A 2015 study ED visits for headach...

4 Apr 20192min

Podcast # 452: CADASIL

Podcast # 452: CADASIL

Author: Sam Killian, MD Educational Pearls: Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) occurs in 1:100000 individuals The disease is caused b...

1 Apr 20193min

Podcast # 451: NSAIDs

Podcast # 451: NSAIDs

Author: Don Stader, MD Educational Pearls: Non-steroidal anti-inflammatory drugs (NSAIDs) are effective pain relievers but come with important side effects NSAIDs inhibit COX-1 and/or COX-2, which de...

29 Mars 20193min

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