96 results
Myositis and Myopathies
#ESR #CK #Differential diagnosis of myopathy 
#Inflammatory #myopathies	#Dermatomyositis	
#muscle weakness
#Polymyositis	
#Inclusion body myositis
#Polymyalgia rheumatica	
#Fibromyalgia	
#Hypothyroid myopathy	
#Muscle stiffness
#Drug-induced
Myositis and Myopathies ... #Inflammatory #myopathies ... Polymyositis #Inclusion ... #Drug-induced myopathies
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Idiopathic Inflammatory Myopathies ... Syndrome (ASS), Inclusion ... #Inflammatory #Myopathies
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... temporal arteritis Inclusion ... elevated CK, Biopsy: inclusions ... BostonChiefs #Myositis #Myopathies
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Idiopathic Inflammatory Myopathies ... idiopathic inflammatory myopathies ... antisynthetase syndrome • Inclusion ... #Inflammatory #Myopathies
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... discontinued Inclusion ... #Inflammatory #Myopathies
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Autoimmune: Inclusion ... • Metabolic myopathies ... polymyositis, inclusion ... certain drug-induced myopathies
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
- Metabolic Myopathies ... PROXIMAL AND DISTA: Inclusion
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
dermatomyositis, inclusion ... → Inflammatory myopathies
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
Common RBC Inclusions ... • Hemoglobin H Inclusion ... cell, MDS #RBC #Inclusions
Acute Myelopathies.
#AcuteMyelopathies #Myelopathy #schema
Acute Myelopathies