42 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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Distal Radius Fracture ... Distal radius ... fracture, median nerve ... Distal #Radiology #XRay ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... nerve in the radial ... in the median nerve ... axillary nerve ... Dermatomes #Myotomes #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... fracture, median nerve ... Carpal #Radiology #XRay ... #Diagnosis #Management
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
- Differential Diagnosis ... Abnormalities of the Optic Nerve ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
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Neuro-OphthaImoIogy ... Map - Optic Nerve ... #Differential #Diagnosis ... #Anatomy #Causes ... #Ophthalmology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... IV (Trochlear) Nerve ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... a mass as the cause ... Migraine is a diagnosis ... #Algorithm #Causes ... #Ophthalmology
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Hard Exudates • Nerve ... retinal ischemia causes ... Retinopathy #Diabetes #ophthalmology ... #diagnosis #complications ... #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
inner retinal nerve ... optic nerve swelling ... #Retinopathy #pathophysiology ... #ophthalmology ... #diagnosis #signs
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Neuropathies • Optic Nerve ... #Differential #Diagnosis ... #Algorithm #Causes ... #Ophthalmology