39 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... dorsally and no longer ... , pain with wrist ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
C6 Dorsal Thumb Wrist ... Dorsal Middle Finger ... Finger Flexion ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... XRay #Radiology #Wrist ... #differential # ... diagnosis
The Shuck Test for Scapholunate Instability

The Shuck test assesses for scapholunate instability. 
With the wrist flexed,
With the wrist flexed ... examiner resists finger ... dorsum of the wrist ... #PhysicalExam # ... clinical #video #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Horner Syndrome Wrist ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Nail diseases and disorders.
 - Spoon Nails (Koilonychia)
 - Pitting of Nails
 - Beau's Lines
 -
Leukonychia (white spots ... ) #Diagnosis # ... Fingernail #Disorders #Differential ... Table #Clinical #PhysicalExam
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... GBS • Miller-Fisher ... #Diagnosis #Causes ... #Ophthalmology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
elbow flexion, wrist ... extension and wrist ... consisting of finger ... clinical #video #physicalexam ... orthopedics #msk #sports
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
tumor, Miller-Fisher ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
lesions in the inner ... -> Cotton-wool Spots ... -> Elschnig's Spots ... pathophysiology #ophthalmology ... #diagnosis #signs