108 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... dorsum of the hand ... , pain with wrist ... #XRay #Diagnosis
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... Small muscles of hand ... adduction) OK Sign ... UpperExtremities #diagnosis
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... - Ulnar Nerve Injury ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
thumb injury to ulnar ... Terry thomas sign ... XRay #Radiology #Wrist ... #differential # ... diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... onto outstretched hand ... box, pain with wrist
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... boggy" joints, esp carpal ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... #diagnosis
Ramsay Hunt Syndrome - Herpes Zoster Oticus 
Triad:
1. Ipsilateral facial paralysis 
2. Ear pain 
3. Vesicles
Ramsay Hunt Syndrome ... in the auditory canal ... and auricle ... HerpesZoster #Oticus #Diagnosis ... #Symptoms #Signs
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... test • + Tinel sign ... CubitalTunnel #Syndrome ... #Diagnosis #pathophysiology ... #signs #symptoms
Carcinoid Syndrome - Pathophysiology, Signs and Symptoms
Symptoms: Flushing, diarrhea, palpitations, bronchospasm
Complications: Carcinoid heart, mesenteric fibrosis, pellagra,
Carcinoid Syndrome ... - Pathophysiology ... , Signs and Symptoms ... #Pathophysiology ... #Diagnosis