21 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... Dermatomyositis ... can present with rash ... triad of ILD, myositis ... after 2 years of treatment
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential ... Pneumonitis • Treatment ... Polymyositis, Dermatomyositis ... #Differential #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... Anti-Jo, +Anti-Mi2 Dermatomyositis ... muscle weakness, rash ... Inclusion Body Myositis ... Myopathies #myopathy #differential
Causes of Rhabdomyolysis - Differential Diagnosis
 • Drugs & Toxins (Statins, alcohol, cocaine)
 • Direct Muscle
Causes of Rhabdomyolysis ... - Differential ... Damage (Trauma/crush ... Muscle Disease (myositis ... #Diagnosis #Causes
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Tetanus, Transverse Myelitis ... , Polymyositis/dermatomyositis ... Neuromuscular #Weakness #Causes ... #differential #
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... Subacute to Chronic Causes ... Inflammatory myopathy: dermatomyositis ... Inclusion body myositis ... #Elevated #CK #differential
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Rhabdomyolysis - Differential ... Immobilization, Crush ... (polymyositis/Dermatomyositis ... Management #Summary #causes ... #treatment
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Compartment syndrome • Myositis ... • Trauma • Crush ... blunt trauma, crush ... #Leg #pain #differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Management Summary Causes ... Immobilization - Crush ... : Polymyositis/Dermatomyositis ... Rhabdomyolysis #Differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... • 75-90% of cases ... • Infectious causes ... Treatment: • ... management #neurology #differential