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 #320: PE in Pregnancy

Podcast #320: PE in Pregnancy

Author: Don Stader, M.D. Educational Pearls: Pulmonary embolism is one of the leading causes of maternal mortality. There is disagreement among different medical societies about the value of D-di...

23 Apr 20184min

Podcast #319: Cardiac Arrest Survival Factors

Podcast #319: Cardiac Arrest Survival Factors

Author: Aaron Lessen, MD Educational Pearls: Shockable rhythms like V-fib or V-tach have a better prognosis than patients with PEA or asystole. Recent study has shown an initial electrical freque...

20 Apr 20182min

Podcast #317: Elbow Dislocation

Podcast #317: Elbow Dislocation

Author: John Winkler, M.D. Educational Pearls: ● Lower mechanisms of injury have a lower chance of an associated fracture or major ligament injury ● One major concern is having a fracture fragment i...

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Podcast #316: Abnormalities in Alcohol Intoxication

Podcast #316: Abnormalities in Alcohol Intoxication

Author: Michael Hunt, M.D. Educational Pearls: 1% of patients presenting to ED with alcohol intoxication end up going to the ICU Most common critical illnesses were acute hypoxic respiratory fail...

9 Apr 20183min

Podcast #315: Retropharyngeal Infections in Pediatrics

Podcast #315: Retropharyngeal Infections in Pediatrics

Author: Dr. Karen Woolf, MD Educational Pearls: Anatomy : base of skull to posterior mediastinum, anteriorly bounded by middle layer of deep cervical fascia and posteriorly by the deep layer, communi...

6 Apr 20186min

Podcast #314: Psychogenic nonepileptic seizures (PNES)

Podcast #314: Psychogenic nonepileptic seizures (PNES)

Author: Gretchen Hinson, M.D. Educational Pearls: PNES vs. epilepsy: postictal state is diagnostic of an epileptic seizure (sonorous respirations and/or confusion, lasting typically 20-30 minutes);...

4 Apr 20185min

Podcast #313: Flu Screening

Podcast #313: Flu Screening

Author: Dr. Peter Bakes Educational Pearls: High risk patients: underlying lung disease, immunocompromised, extremes of age (65), underlying cardiac/renal/neurologic disease, and pregnant women Testi...

2 Apr 20187min

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