7 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
Mechanisms of Pain
Mixed - Nociceptive/Neuropathic
Nociceptive - Tissue Damage
 - Visceral - (From organ/cavity lining) Poorly localized,
lancinating - Peripheral ... #Mechanisms #Neurology ... #Differential # ... Diagnosis #Algorithm ... #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
: • Cauda Equina ... Syndrome - Low ... back pain, sciatica ... Commonly caused ... Myotomes #diagnosis #neurology
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 ... /yr • Urgent condition ... lower extremity weakness ... #syndrome #differential ... #neurology
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
• Sick-Sinus Syndrome ... • Emotional Peripheral ... Bladder Emptying • Pain ... Effective Arterial Blood ... Defecation #Syncope #Neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
roots -> Cauda equina ... Blockage of the Blood ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... #algorithm
Vasculitis - Differential Diagnosis Framework

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