106 results
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... pulmonary etc) • CNS ... • Acute stroke syndromes ... Paraneoplastic syndrome ... #Differential #Diagnosis
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... Other brainstem syndromes ... • Transverse myelitis ... pain • Extra-CNS ... Manifestations #diagnosis
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Tetanus, Transverse Myelitis ... Guillain-Barre syndrome ... heavy metals), Critical ... #differential #diagnosis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
level of muscle weakness ... anti-synthetase syndrome ... /full triad at diagnosis ... have significant weakness ... #diagnosis #rheumatology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... Anti-Synthetase Syndrome ... Antibodies #MSAs #clinical ... #diagnosis #rheumatology ... #table
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... - Clinical Presentation ... Weakness: - Weakness ... bouts of HTN Diagnostic ... Diagnosis: •
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... Extraocular Muscle Weakness ... neudrawlogy #CNIII #CN3 ... Cranial #neurology #diagnosis
Hypothyroidism – symptoms and signs.

Symptoms: 
Tiredness/malaise, 
Weight gain,
Anorexia,
Cold intolerance, 
Poor memory,
Change in appearance, 
Depression, 
Poor libido,
Myalgia, Muscle weakness ... of movement, Deafness ... Carpal timel syndrome ... Signs #Symptoms #Diagnosis ... #PhysicalExam #
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... Associated Features: Weakness ... over years, often diagnosed ... #differential #diagnosis ... #rheumatology #table
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... - Differential Diagnosis ... Rhabdomyolysis, Critical ... Inflammatory/Rheum: Myositis ... #Generalized #Weakness