128 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... level of muscle weakness ... heliotrope rash, Shaw sign ... , holster sign, ... and anti-HMGCR myopathy
Symptoms of Hypophosphatemia
 • CNS: Seizures, Delirium, Paresthesias, Central & extrapontine myelinolysis, Hallucinations, Fatigue
 • Hematologic:
MSK: Proximal myopathy ... Diaphragmatic weakness ... Phosphate #Symptoms #Signs
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
80%) - Proximal Weakness ... 10%) - Proximal Weakness ... femoral heads • Myopathy ... pathophysiology #signs
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Lack of UMN/LMN signs ... Myopathy: ... mediated necrotizing myopathy ... • Metabolic myopathies ... certain drug-induced myopathies
Hypothyroidism – symptoms and signs.

Symptoms: 
Tiredness/malaise, 
Weight gain,
Anorexia,
Cold intolerance, 
Poor memory,
Change in appearance, 
Depression, 
Poor libido,
– symptoms and signs ... Myalgia, Muscle weakness ... Signs: Mental ... hypertrophy, Proximal myopathy ... Hypothyroid #Features #Signs
Dermatomyositis
A middle-aged man describes progressive difficulty combing his hair and rising from a seated position over
rash, 2) shawl sign ... proximal muscle weakness ... usually indicates myopathy
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
) • Shawl sign ... NECROTIZING AUTOIMMUNE MYOPATHY ... syndrome • If myopathy ... ANTI-MITOCHONDRIAL MYOPATHY ... Autoimmune #Myositis #Myopathy
Hyperthyroidism – symptoms and signs. 

Symptoms:

Weight loss, Increased appetite, Irritability/behaviour change, Restlessness, Malaise, Stiffness, Muscle weakness,
– symptoms and signs ... Stiffness, Muscle weakness ... ), Sweating Signs ... loss, Proximal myopathy ... Hyperthyroidism #Symptoms #Signs
Dermatomyositis with heliotrope rash, shawl sign, and Gottron's papules

A middle-aged man describes progressive difficulty combing his
heliotrope rash, shawl sign ... rash, 2) shawl sign ... proximal muscle weakness ... usually indicates myopathy ... skinrash #shawl #sign
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 #muscle weakness ... #Hypothyroid myopathy ... Statin-induced myopathy ... Cocaine-induced myopathy