622 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
ataxia), Korsakoff syndrome ... cognitive deficits, myelopathy ... diarrhea • Copper - Myelopathy ... with muscle weakness ... nutrition #table #differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... - Radiation myelopathy ... - Radiation myelopathy ... MCTD, Sjogren syndrome ... diagnosis #neurology #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
findings: - Weakness ... result in: - Weakness ... - Radiation myelopathy ... in: - Muscle weakness ... #lesions #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... constipation Differential ... • HIV related myelopathy ... lower extremity weakness ... #differential #
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
Myopathies #ESR #CK #Differential ... diagnosis of myopathy ... Dermatomyositis #muscle weakness ... #Hypothyroid myopathy ... Statin-induced myopathy
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 ... Proximal muscle weakness ... #differential #
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
of Peripheral Weakness ... Sensory Changes - Differential ... Lambert-Eaton Myasthenic Syndrome ... • Congenital Myopathy ... #Neurology #Differential
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... Guillain-Barre syndrome ... Lambert Eaton Syndrome ... Mitochondrial myopathy ... #Causes #differential
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
of Peripheral Weakness ... Sensory Changes - Differential ... • No Objective Weakness ... Oculomotor • Myopathy ... Sensory #Neurology #Differential
Neurological Patterns of Weakness
 • Hemispheric lesion
 • Brainstem lesion
 • Spinal cord lesion
 • Polyneuropathy
Neurological Patterns of Weakness ... Polyneuropathy • Myopathy ... Neurology #Patterns #Weakness