8 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Causes of Peripheral ... Diagnosis Algorithm ... Lambert-Eaton Myasthenic Syndrome ... #Weakness #Neurology ... #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
C6 Important Conditions ... • Cauda Equina Syndrome ... - Low back pain ... Commonly caused ... Myotomes #diagnosis #neurology
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
lancinating - Peripheral ... #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm ... #Causes
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential ... contralateral extremity ... Brown-Sequard Syndrome ... sensory loss to pain ... #Hemiplegia #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
/yr • Urgent condition ... - Emergency Causes ... weakness and sensory ... #differential # ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... #algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... glomeruli, and peripheral ... myalgia and muscle weakness ... extremities, upper extremity ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Sensory and/or motor neuropathy ... or as primary condition ... Myalgia and muscle weakness ... tract, and often causes ... #Diagnosis #Rheumatology