7 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes ... Diagnosis Algorithm ... Lambert-Eaton Myasthenic Syndrome ... #Neurology #Differential ... #Diagnosis #Algorithm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • ... • Cauda Equina Syndrome ... Commonly caused ... #Myotomes #diagnosis ... #neurology #sensory
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... #Myotomes #diagnosis ... #neurology #sensory
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 ... Cauda Equina Syndrome ... - Cauda equina syndrome ... diagnosis #causes ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
thyroid, Sjogren syndrome ... “dropping head syndrome ... - Kearns-Sayre syndrome ... Eaton myasthenia syndrome ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Brown-Séquard Syndrome ... Posterior Cord Syndrome ... Central Cord Syndrome ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
neurological lesion: Clinical ... • Symptoms and signs ... MCTD, Sjogren syndrome ... #neurology #differential ... #algorithm