35 results
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... Devpriyo Pal @drdevrad ... radius #fracture #radiology ... #msk #orthopedics ... #diagnosis
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Devpriyo Pal @drdevrad ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
+/- diarrhea Diagnosis ... Treatment: • ... #Hantavirus #diagnosis ... #management #treatment ... #microbiology #infectiousdiseases
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injury • ED Management ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Devpriyo Pal @drdevradiology ... Carpal #Bones #wrist ... #radiology #mnemonic ... #diagnosis #msk
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
hemoptysis, diarrhea Diagnosis ... antibody test • PCR ... #microbiology #diagnosis ... #management #treatment ... #infectiousdiseases
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
CNS infection Diagnosis ... Gastroenteritis) • PCR ... Monocytogenes #diagnosis ... #management #infectiousdiseases ... #treatment #microbiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
CNS infection Diagnosis ... Gastroenteritis) • PCR ... Monocytogenes #diagnosis ... #management #infectiousdiseases ... #treatment #microbiology