2944 results
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
/paralysis - Weakness ... Non-compressive Spinal Cord Causes ... - Radiation myelopathy ... - Radiation myelopathy ... Back pain • Weakness
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... infarction which can be caused ... - Radiation myelopathy
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
rapid onset of weakness ... the spinal cord (Myelopathy ... Weakness: - Weakness ... distribution of weakness ... • Infectious causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... • HIV related myelopathy ... lower extremity weakness ... differential #diagnosis #causes
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... Muscle Weakness ... Mimic Inflammatory Myopathy ... Mitochondrial myopathy ... #differential #causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Weakness - With ... • No Objective Weakness ... Oculomotor • Myopathy ... Diagnosis #Algorithm #Causes
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... Elevation (Pain > Weakness ... Subacute to Chronic Causes ... (Weakness > Pain ... PROXIMAL MUSCLE WEAKNESS
Neurological Patterns of Weakness
 • Hemispheric lesion
 • Brainstem lesion
 • Spinal cord lesion
 • Polyneuropathy
Neurological Patterns of Weakness ... Polyneuropathy • Myopathy ... Neurology #Patterns #Weakness
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
symmetric muscle weakness ... symmetric muscle weakness ... Fever, No muscle weakness ... asymmetric muscle weakness ... Proximal muscle weakness
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