23 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... fractures • ED Management ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone Fractures by Frequency ... Scaphoid - 50-80% • Triquetral ... Fractures #wrist #frequency ... #radiology #msk
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
spondylolysis) - most frequently ... XR — scotty dog sign ... vertebrae • CT ... Spondylolisthesis #MSK ... pathophysiology #signs
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
50 CXRs Head CT ... Chest CT 3 mSv 150 ... American Academy of Pediatrics ... #PatientInfo #Radiology ... #Study #Peds #Pediatrics
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Hamate - 2 Months Triquetral ... #Bones #wrist #radiology ... mnemonic #diagnosis #msk ... #pediatrics
PECARN Head CT Decision Aid

The Head CT Choice decision aid was developed in Rochester, Minnesota. Full
PECARN Head CT Decision ... Aid The Head CT ... observation, and signs ... (Figure 2) #Management ... PatientInfo #Peds #Pediatrics
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Classic “snowman sign ... Pre-Operative Management ... Post-Operative Management ... #cardiology #peds ... #pediatrics #summary
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
trapezium, capitate, triquetrum ... injury • ED Management ... Wrist #Carpal #Radiology ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
compromise Clinical Signs ... dysuria, urinary frequency ... be present or signs ... , specifically CT ... also important Management
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
are negative a CT ... with associated signs ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics