7 results
Marcus-Gunn Jaw Winking Ptosis

Marcus Gunn Jaw Winking Ptosis is the most common form of congenital neurogenic
Caused by connection ... of trigeminal nerve ... of oculomotor nerve ... clinical #video #neurology ... #ophthalmology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... impaired (loss of sensory ... ) Where: Optic nerve ... * (main cause), ... #Defect #RAPD #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve ... than stopping walking ... Myotomes #diagnosis #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
nerve, and the ... eyelid: • Third nerve ... muscle: • Marcus Gunn ... jaw-winking syndrome ... Differential #Diagnosis #ophthalmology
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 ... and/or genital sensory ... • S - Saddle anesthesia ... - Emergency Causes ... #neurology
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
nervous system isn’t working ... suggest oculomotor nerve ... anterior_seg_rocks #Adies ... clinical #video #ophthalmology ... #physicalexam #neurology