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(1150)

Podcast #282: EKG Changes in DKA

Podcast #282: EKG Changes in DKA

Author: Dave Rosenberg, M.D. Educational Pearls EKG changes that can be seen in DKA include ST elevation and peaked T-waves secondary to derangements in K levels. In DKA, serum K is high, but total ...

25 Dec 20173min

Deep Dive #8: Wintertime Wilderness Medicine

Deep Dive #8: Wintertime Wilderness Medicine

Author: John Winkler, M.D. Dr. Winkler shares his knowledge of wilderness medicine and provides insight on how to prevent and treat conditions such as hypothermia, frostbite and sun blindness. More im...

18 Dec 201729min

Podcast #281: Intracranial Hemorrhage Treatment

Podcast #281: Intracranial Hemorrhage Treatment

Podcast #281: Intracranial Hemorrhage Treatment Author: Don Stader, M.D. Educational Pearls Types of traumatic bleeds include subdural, epidural, and subarachnoid. Treatment for a traumatic bleed inc...

15 Dec 20172min

Podcast #280: Isolated Aphasia in Stroke

Podcast #280: Isolated Aphasia in Stroke

Author: Aaron Lessen, M.D. Educational Pearls Patients with an ischemic stroke from occlusion of the left middle cerebral artery often present with aphasia in addition to other neurological deficits....

11 Dec 20171min

Podcast #279: Sedation After Intubation

Podcast #279: Sedation After Intubation

Author: Aaron Lessen, M.D. Educational Pearls Post-intubation care should always include pain control and adequate sedation. Commonly used sedation agents include propofol, ketamine and versed. Howev...

8 Dec 20171min

Podcast #278: Subdural Hematomas

Podcast #278: Subdural Hematomas

Educational Pearls Subdural hematomas can happen in the elderly because of brain atrophy, and can manifest with neurological deficit. Subdural hematomas are caused by rupture of the bridging veins of...

6 Dec 20172min

Podcast #277: Mucor

Podcast #277: Mucor

Author: Don Stader, M.D. Educational Pearls Mucor/Rhizopus fungal infections usually present in diabetic or immunocompromised patients as a black, necrotic lesion on the face. The fungus invades the ...

4 Dec 20172min

Podcast #276: Angioedema

Podcast #276: Angioedema

Author: John Winkler, M.D. Educational Pearls Angioedema is immediately life-threatening due to airway obstruction. Mechanisms include allergic reaction (histamine-related) or bradykinin-related (ACE...

1 Dec 20173min

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