16 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Drop - Radial Nerve ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • CN VI (Abducens ... Medial Longitudinal ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... space and the wrist ... drop: ECRB and ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... drop - Occurs after ... nerve in the radial ... Dermatomes #Myotomes #diagnosis
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
Cord Injury by Nerve ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... Diagnosis Algorithm ... Nerve Ill - Eye ... #DoubleVision #Differential ... #Causes #Ophthalmology
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Anatomic Location - Differential ... Diagnosis Algorithm ... conditions Optic Nerve ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... nerve, and the ... eyelid: • Third nerve ... Ptosis #neurology #Differential ... #Diagnosis #ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
Vision Loss - Differential ... Diagnosis Chronic ... Cataracts - Macula: Macular ... inflammation - Optic Nerve ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Vision loss - Differential ... Diagnosis Ischemia ... Caused by decreased nerve ... Ocular causes - ... #Diagnosis #Ophthalmology