74 results
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
• Inflammatory myopathy ... syndrome (GBS), systemic ... polymyositis, dermatomyositis ... syndrome (LEMS), systemic ... Statin-induced myopathy
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Cutaneous and Systemic ... Findings in Dermatomyositis ... Holster sign Systemic ... , inflammatory myopathy ... Findings #Signs #Dermatomyositis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... weakness, less systemic ... Dermatomyositis ... and anti-HMGCR myopathy
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
central nervous system ... Peripheral Nervous System ... proximal weakness Myopathy ... mediated necrotizing myopathy ... Muscle Biopsy: Dermatomyositis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
• Conduction system ... NECROTIZING AUTOIMMUNE MYOPATHY ... syndrome • If myopathy ... ANTI-MITOCHONDRIAL MYOPATHY ... Autoimmune #Myositis #Myopathy
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
Differential diagnosis of myopathy ... #Dermatomyositis ... #Hypothyroid myopathy ... Statin-induced myopathy ... Cocaine-induced myopathy
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Idiopathic Inflammatory Myopathies ... - Dermatomyositis ... Immune-Mediated Necrotizing Myopathy ... #Inflammatory #Myopathies ... #Idiopathic #Myopathy
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-Jo, +Anti-Mi2 Dermatomyositis ... load Drug-induced myopathy ... Gemcitabine Lupus Myopathy ... 5-15% of lupus myopathy ... #myopathy #differential
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Critical Illness Myopathy ... - Metabolic Myopathies ... - Inflammatory myopathy ... : dermatomyositis ... polymyositis, necrotizing myopathy
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Mimic Inflammatory Myopathy ... • Metabolic myopathies ... Mitochondrial myopathy ... MuscleWeakness #Myopathy