16 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... weakness, less systemic ... Dermatomyositis ... can present with rash ... @AnnKumfer #Autoimmune
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... , Polymyositis/Dermatomyositis ... Sjögren Syndrome, Myositis ... Disorders, Infection, Autoimmune ... Thyroid, Autoimmune
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... Subacute to Chronic Causes ... Inflammatory myopathy: dermatomyositis ... myopathy - Autoimmune ... Inclusion body myositis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
central nervous system ... Peripheral Nervous System ... necrotizing myopathy • Autoimmune ... Inclusion body myositis ... Muscle Biopsy: Dermatomyositis
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... • Transverse myelitis ... positive NMO only): Myositis ... , Comorbid autoimmune ... disorders (Systemic
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
(cutaneous or systemic ... malignancies, autoimmune ... infection and autoimmune ... multiforme • Acute systemic ... Mycoplasma classic), autoimmune
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
toxoplasmosis Autoimmune ... disorders - Dermatomyositis ... Still disease, systemic ... sarcoidosis Iatrogenic causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Still disease, dermatomyositis ... disease • Non-autoimmune ... deficiencies • Autoimmune ... • Transverse Myelitis
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Immobilization, Crush ... Hyperthyroidism), Autoimme ... (polymyositis/Dermatomyositis ... Management #Summary #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
associated with systemic ... Musculoskeletal system ... Causes: - Idiopathic ... multiforme - Dermatomyositis ... Treatment: - Systemic