5884 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 ... #Differential diagnosis ... of myopathy # ... Inflammatory #myopathies ... #Hypothyroid myopathy
Idiopathic Inflammatory Myopathies (IIM's)

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

 • Overlap Myositis
Idiopathic Inflammatory ... Myopathies (IIM's ... myopathies (IIM's ... myopathy that occurs ... #diagnosis #rheumatology
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
That May Mimic Inflammatory ... Myopathy • Central ... • Metabolic myopathies ... Mitochondrial myopathy ... #mimics #diagnosis
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
Myoglobinuria DDX: • Inflammatory ... Statins → Inflammatory ... : Inflammatory statin ... Atorvastatin Diagnosis ... #diagnosis #management
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Critical Illness Myopathy ... - Metabolic Myopathies ... toxoplasmosis - Inflammatory ... myopathy: dermatomyositis ... #differential #diagnosis
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Seronegative Inflammatory ... - Differential Diagnosis ... Still's Disease, Inflammatory ... Myopathy • Crystal ... #Differential #Diagnosis
Abdominal Distention - Differential Diagnostic Algorithm
Ascites
Bowel Dilatation
Other Causes
Mechanical Obstruction
 • Adhesions 60%
 • Volvulus 3%
 •
- Differential Diagnostic ... Megacolon • Inflammatory ... • Ischemic Myopathic ... Scleroderma • Familial Myopathy ... #Differential #Diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... spinal cord • Inflammatory ... Paraneoplastic syndrome • Inflammatory ... : • Inflammatory ... #Differential #Diagnosis
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Associated Features: Diagnosis ... BrighamChiefs #Inflammatory ... #Myopathies #differential ... #diagnosis #comparison
Dysphagia - Differential Diagnosis Algorithm

Oropharyngeal Dysphagia 
Esophageal Dysphagia 
 • Upper 2/3 (striated muscle): stroke, NMJ
- Differential Diagnosis ... Entire length: RA. inflammatory ... myopathies Matthew ... #Differential #Diagnosis