22 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
" on lateral x-ray ... " on lateral x-ray ... • Mechanism: ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK
First Generation Anti-Psychotics: Mechanisms and Side Effects
Typical/Conventional Anti-Psychotics - Examples: Haloperidol, Chlorpromazine

ACh M1 antagonist - Block
Anti-Psychotics: Mechanisms ... Slowing Histamine H1 ... arterioles -> less able ... FirstGeneration #Mechanisms
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
disruption on x-ray ... shortening • Mechanism ... Distal #Radiology #XRay ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radiocapitellar line • Mechanism ... • If stable ... Ulnar #Radiology #XRay ... Orthopedics #Proximal #MSK
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Enema (Lower GI X-ray ... BONE - Spine X-ray ... X-ray 0.001 mSv ... - Dental X-ray ... Nuclear #Comparison #Table
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
at an elbow x-ray ... epicondyle (age 11) • Mechanism ... Humerus #Radiology #XRay ... #Orthopedics #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
not seen on x-ray ... osteoarthritis • Mechanism ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
at an elbow x-ray ... • Mechanism: Fall ... Elbow #Radiology #XRay ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
DIP joint • Mechanism ... Finger #Radiology #XRay ... #Orthopedics #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
clenched fist • Mechanism ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK