58 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... Inclusion Body Myositis ... MithuRheum #Myositis ... #diagnosis #rheumatology ... #table
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... • Transverse myelitis ... pain • Extra-CNS ... positive NMO only): Myositis ... Manifestations #diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Inclusion body myositis ... Pyomyositis, Lyme myositis ... Malignancy-associated myositis ... anti-RNP - (Myositis ... inclusion body myositis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis ... of Transverse Myelitis ... that results in CNS ... Transverse Myelitis ... - Clinical Presentation
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... Necrotizing Autoimmune Myositis ... Inclusion Body Myositis ... #differential #diagnosis ... #rheumatology #table
Lung Auscultation and Physical Exam Findings in Selected Lung Disorders

#PhysicalExam #Auscultation #Pulmonary #Percussion #Dullness #Fremitus #BreathSounds
Lung Auscultation ... Findings in Selected Lung ... Disorders #PhysicalExam ... Transmitted #Comparison #Table ... #Lung #Diagnosis
Beevor's Sign on Physical Exam

Beevor's sign is abnormal upward (cephalad) movement of the umbilicus with truncal
inclusion body myositis ... Beevors #Sign #PhysicalExam ... #clinical #video
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Sphenoid sinusitis (CN ... pseudotumor • Orbital myositis ... hypertension (CN ... #Differential #Diagnosis
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... breast, prostate, lung ... - Orbital myositis ... #Differential #Diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... neuropathy, Orbital myositis ... #differential #diagnosis