94 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
hand or direct blow ... ulna, pain with wrist ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Scaphoid - 50-80% • Triquetral ... Bone #Fractures #wrist ... frequency #radiology #msk ... #orthopedics #diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Terry thomas sign Triquetral ... XRay #Radiology #Wrist ... #differential # ... diagnosis
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Hamate - 2 Months Triquetral ... Carpal #Bones #wrist ... radiology #mnemonic #diagnosis ... #msk #pediatrics
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... trapezium, capitate, triquetrum ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... Diagnosis Intrinsic ... cholecystitis; • Neurologic ... #primarycare #msk
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... #nephrology #sodium ... #low #uricacid
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... - Urine sodium low ... and uric acid low ... #Algorithm #Diagnosis ... #Nephrology
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... Hypophosphatemia #phosphorus #low ... #diagnosis #Algorithm ... #differential # ... nephrology