49 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Signs, Symptoms ... and Testing - Likelihood ... eye movements #Diagnosis ... LikelihoodRatios #PhysicalExam ... #Testing
Curtain Sign in Myasthenia Gravis on Physical Exam

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

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... Diagnosis - ... test - Cogan sign ... - Peek sign ... #Gravis #diagnosis
Enhanced Ptosis - Curtain Sign in Myasthenia Gravis on Physical Exam

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

Because of bilateral eyelid innervation, when
Ptosis - Curtain Sign ... in Myasthenia Gravis ... #PhysicalExam # ... clinical #video ... #neurology #ophthalmology
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... ptotic eyelid will cause ... Hering's law) • Testing ... #Gravis #PhysicalExam ... #Maneuvers #Diagnosis
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Her clinical exam ... In-office testing ... such as cogan sign ... #Gravis #PhysicalExam ... #ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... Diplopia TIER 1-CRITICAL ... Vertebral dissection, Myasthenia ... #differential #diagnosis ... #ophthalmology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Algorithm Clinical ... a mass as the cause ... • Myasthenia ... #Algorithm #Causes ... #Ophthalmology
Traditionally, we have been taught to examine for Kernig’s and Brudzinski’s signs when examining patients with
and Brudzinski’s signs ... JAMA rational clinical ... they do recommend testing ... #Diagnosis #Kernigs ... #PhysicalExam #