11 results
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
- Curtain Sign in ... Myasthenia Gravis ... Myasthenia #Gravis ... clinical #video #neurology ... #ophthalmology
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when
- Curtain Sign in ... Myasthenia Gravis ... Myasthenia #Gravis ... clinical #video #neurology ... #ophthalmology
Curtain Sign in Myasthenia Gravis on Physical Exam

Because of bilateral eyelid innervation, when the more affected
Curtain Sign in ... Myasthenia Gravis ... Myasthenia #Gravis ... clinical #video #neurology ... #ophthalmology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Ocular- 50%: Ptosis ... test - Cogan sign ... - Peek sign ... - Repetitive nerve
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Myasthenia gravis ... junction, cranial nerve ... eyelid: • Third nerve ... #neurology #Differential ... #Diagnosis #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• Look for ptosis ... • Myasthenia ... Neuromuscular Junction • Myasthenia ... depressed, abducted, ptosis ... Algorithm #Causes #Ophthalmology
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
and bilateral ptosis ... Myasthenia gravis ... such as cogan sign ... clinical #video #ophthalmology ... #neurology
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Injury Manifested ... to make the OK sign ... #Interosseous #Nerve ... #OK #Sign #OKSign ... #orthopedics #Hand
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Tumor • Motor Nerves ... multiplex, Phrenic nerve ... injury, Sarcoid ... Eaton Syndrome, Myasthenia ... Gravis, Organophosphate
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Mononeuropathy: Nerve ... Postsynaptic: Myasthenia ... Gravis - Lack ... of UMN/LMN signs ... Differential #Diagnosis #neurology