16 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... , pain with wrist ... flexion and extension ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... No auditory symptoms ... Long symptom-free
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar ... pathophysiology #signs #symptoms ... #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... masses and lymphadenitis ... cause unknown) ... II ○ Susac’s syndrome ... Labyrinthitis ○ Epstein-Barr
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... - Emergency Causes ... cord • Guillain-Barre ... • Provocative Tests ... #causes #neurology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
elevation • Nausea ... 14%), in which case ... DDX: • Epstein-Barr ... Viral hepatitis Diagnosis ... #HIV #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... than one after symptom ... sensitive tests ... #Syndrome #diagnosis ... #management #neurology
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... the elbow to the hand ... the bones of the hand ... What are the symptoms ... ECU Subluxation diagnosed
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Lower motor neuron symptoms ... anterior horn gray ... #differential #diagnosis ... #neurology