13 results
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
disease • Myasthenia ... gravis • Muscular ... Becker - Limb-girdle ... #differential # ... causes #neurology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Diagnosis Algorithm ... Gravis • Lambert-Eaton ... Peripheral #Weakness #Neurology ... #Causes
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Myasthenia Gravis ... Limb- proximal weakness ... life-threatening Differential ... #Gravis #diagnosis ... #management #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... Diagnosis Framework ... NMJ disorder (Myasthenia ... #Diagnosis #causes ... #neurology
Diagnosis of Myasthenia Gravis - Physical Exam Maneuvers
 • Sustained lateral gaze for seconds to elicit
Diagnosis of Myasthenia ... ptotic eyelid will cause ... for fatigable limb ... #Gravis #PhysicalExam ... #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Neurologic ... • Myasthenia ... Neuromuscular Junction • Myasthenia ... #DoubleVision #Differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... the limbs; (2 ... Escorial criteria uses ... conditions listed in differential ... Lateral #Sclerosis #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Eaton Syndrome, Myasthenia ... Gravis, Organophosphate ... #differential # ... diagnosis #neurology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Pulmonary Disease Neurologic ... Parkinson's • Myasthenia ... Gravis Pharmacologic
Weakness - Differential Diagnosis Framework

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