14 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... rash • Elevated CK ... Inclusion Body Myositis ... , +Anti-dsDNA, Myositis ... BostonChiefs #Myositis
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 ... Dermatomyositis #muscle ... Inclusion body myositis ... Hypothyroid myopathy #Muscle
RHABDOMYOLYSIS
•	Characterized by skeletal muscle breakdown & necrosis. 
•	Elevated Creatine kinase (CK) hallmark of rhabdomyolysis. 
•	Defined based
Characterized by skeletal muscle ... Creatine kinase (CK ... • Half-life of CK ... peaks in 3 days, & normalizes ... useful marker of muscle
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... associated with higher CK ... greater level of muscle ... triad of ILD, myositis ... #Autoimmune #Myositis
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Causes of Elevated CK ... Levels Acute CK ... ): • PROXIMAL MUSCLE ... Inclusion body myositis ... Kinase #Elevated #CK
Usmle step 2 ck
Pulmonary diseases (High yield points)
#usmle #algorithm
Usmle step 2 ck ... yield points) #usmle ... #algorithm
Creatine kinase (CK) is an intracellular enzyme present in skeletal muscle, myocardium & brain; smaller amounts
Creatine kinase (CK ... present in skeletal muscle ... of underlying muscle ... first 3 days, and normalizes ... useful marker of muscle
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
Statin Induced Muscle ... • The onset of muscle ... • Myalgia • Myositis ... inclusion body myositis ... Diagnosis: • CK
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Differential Diagnosis Algorithm ... Myopathy - Proximal muscle ... involvement, elevated CK ... Differential #Diagnosis #Algorithm
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Differential Diagnosis Algorithm ... Myopathy - Proximal muscle ... involvement, elevated CK ... Differential #Diagnosis #Algorithm