91 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... in semicircular canal ... No auditory symptoms ... Long symptom-free ... #differential #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
classic posterior canal ... in horizontal canal ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Peripheral Vertigo
Time course and symptoms characteristics are very helpful in distinguishing between causes of peripheral vertigo.
Benign
Peripheral Vertigo ... Time course and symptoms ... of peripheral vertigo ... #differential #diagnosis ... #comparison #table
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of Carpal ... ossification of the carpal ... the bones of the wrist ... #Bones #Wrist # ... Diagnosis #Peds
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Long symptom-free ... Positional symptoms ... Self-limited symptoms ... presenting symptom ... #differential #diagnosis
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist ... #orthopedics #diagnosis
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Test in Posterior Canal ... Paroxysmal Positional Vertigo ... nystagmus and vertigo ... Reproduction of vertigo ... symptoms in head-hanging
Melanoma - Clinical subtypes
 - 
Superficial spreading melanoma (70%)
 - 
Nodular melanoma (15%)
 - 
Lentigo maligna
melanoma (15%) - Lentigo ... - (10%) - Acral ... melanoma (5%) #Diagnosis ... Melanoma #Subtypes #Comparison
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... Radiology #XRay #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis