5 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes ... Neuropathy • Spinal ... Polymyositis • Duchenne ... Muscular Dystrophy ... #Neurology #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
and/or genital sensory ... - Emergency Causes ... lower extremity weakness ... decompression #CaudaEquina ... #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... foot and lateral calf ... Commonly caused ... claudication and weakness ... Myotomes #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Lower roots -> Cauda ... Cord Causes: 1 ... disorders #diagnosis #neurology ... #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... at the level of sensory ... involvement Cauda ... syndromes #lesions #differential