40 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 ... #ESR #CK #Differential ... #Inflammatory ... #muscle weakness ... Fibromyalgia #Hypothyroid
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Endocrinopathies: Hypothyroid ... • Metabolic myopathies ... certain drug-induced myopathies ... #Differential #
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Idiopathic Inflammatory ... Myopathies - ... TerrierBen #Inflammatory ... #Myopathies #Idiopathic ... #Rheumatology #Differential
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Proximal Muscle Weakness ... That May Mimic Inflammatory ... Myopathy • Central ... • Metabolic myopathies ... mimics #diagnosis #differential
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... symmetric muscle weakness ... symmetric muscle weakness ... BostonChiefs #Myositis #Myopathies ... #myopathy #differential
Idiopathic Inflammatory Myopathies (IIM's)

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

 • Overlap Myositis
Myopathies (IIM's ... RASH + MUSCLE WEAKNESS ... myopathies (IIM's ... Severe proximal weakness ... #Myopathies #IIMs
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Elevation (Pain > Weakness ... Chronic Causes (Weakness ... - Metabolic Myopathies ... toxoplasmosis - Inflammatory ... #Elevated #CK #differential
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
proximal myalgia and weakness ... symmetric muscle weakness ... , hypothyroid-induced ... myopathies such ... : Inflammatory statin
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Associated Features: Weakness ... BrighamChiefs #Inflammatory ... #Myopathies #differential
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
of Orthopnea - Differential ... Diaphragmatic weakness ... GBS, CIDP - Myopathies ... #Orthopnea #Differential