14 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... pupillary light reflex ... ) Where: Optic nerve ... Robert Marcus Gunn ... #Defect #RAPD #neurology
Marcus-Gunn Jaw Winking Ptosis

Marcus Gunn Jaw Winking Ptosis is the most common form of congenital neurogenic
Marcus-Gunn Jaw ... of trigeminal nerve ... of oculomotor nerve ... Ptosis #clinical #video ... #neurology #ophthalmology
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... Pupil #Pupillary #reflex ... #clinical #video ... #ocular #neurology ... #ophthalmology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Test if patient ... threat Cranial Nerves ... #PhysicalExam #neurology ... #comatose #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... the pupillary reflex ... very sensitive diagnostic ... Pupillary #Defect #Neurology ... #Clinical #Video
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... Differential Diagnosis ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
junction, cranial nerve ... eyelid: • Third nerve ... muscle: • Marcus Gunn ... Syndrome #Ptosis #neurology ... #ophthalmology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... Barre #Syndrome #diagnosis ... #management #treatment ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Brain stem/Cranial nerve ... Bedside: ice pack test ... /Edrophonium test ... - Repetitive nerve ... #management #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
with peripheral nerve ... of peripheral nerve ... depressed deep tendon reflexes ... and sensitive tests ... #management #neurology