69 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Sensory Changes - Differential ... Oculomotor • Myasthenia ... Peripheral #Weakness #Neurology ... #Differential #
Ocular Myasthenia Gravis on Physical Exam

A 41yo female was referred by her neurologist for double vision.
Ocular Myasthenia ... Her ocular exam ... may constitute a medical ... #PhysicalExam # ... ophthalmology #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Dislocation - May cause ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... or peripheral neurologic ... disease • Myasthenia ... mimics #diagnosis #differential ... #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... crises”. ... life-threatening Differential ... Crises - Severe ... diagnosis #management #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Skew Deviation Casey ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Curtain Sign in Myasthenia Gravis on Physical Exam

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

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

Because of bilateral eyelid innervation, when
Curtain Sign in Myasthenia ... Curtain #Sign #Myasthenia ... #Gravis #PhysicalExam ... clinical #video #neurology ... ophthalmology #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Neurologic ... • Myasthenia ... depress when looking medially ... #DoubleVision #Differential