279 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... fractured carpal bone ... common carpal bone ... #Triquetrum #Fracture
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
tissue swelling (best ... Narrowing • Bony ... the articular bone ... Best visualized ... Radiology #Clinical #Pathophysiology
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
primary benign bone ... tumor - Aneurysmal Bone ... tissue swelling (best ... the articular bone ... Best visualized
Conductive vs Sensorineural Hearing Loss on Physical Exam
Weber Test:
 • Normal: Sound is equal bilaterally
 •
Physical Exam Weber Test ... lasts longer than bone ... • Conductive: Bone ... lasts longer than bone ... #HearingLoss #PhysicalExam
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of Carpal Bones ... of the carpal bones ... they get the job done ... capitate is the first bone ... -6-7 years for Triquetral
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
absorption ↑ bone ... Hypophosphatemia: ↑ bone ... Calcium #Phosphorus #pathophysiology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Hearing loss: None ... ) • Hallpike test ... Positive usually on one ... • Head impulse test ... Hearing loss: None
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... #orthopedics #pathophysiology
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Cushing's Reflex - Pathophysiology ... → ↑ Vasomotor tone ... Cushings #Reflex #Pathophysiology