84 results
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... Rotator #Cuff #Syndrome ... orthopedics #diagnosis #sports ... #MSK #anatomy #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractures • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
dislocation • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
injury, acute carpal ... tunnel syndrome ... injury) • ED Management ... reduction using finger ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Supinator - C5, C6 • Finger ... Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
dislocation • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... fracture • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Channelopathies: Long/short ... QT syndromes, Brugada ... Cardiac #Arrest #cardiology ... differential #diagnosis #causes
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... • Semicircular canal ... dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc