56 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... Young females Differential ... • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, T1 (median) Reflexes ... Erb's Palsy is caused ... Anterior Shoulder Dislocation ... - May cause axillary ... Myotomes #diagnosis #neurology
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
Sensory Motor Reflex ... Flexion Biceps Reflex ... Antecubital Fossa Finger Abduction ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Causes of Hyporeflexia ... Deep coma (any cause ... #differential # ... diagnosis #table #neurology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Excessive heat production ... maintained fever CAUSES ... Phaeochromocytoma Neurologic ... brain injury By Association ... #Hyperthermia #Differential
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near dissociation ... Pupils #Defects #Differential ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
i.e., light-near dissociation ... It is caused by ... infection which causes ... clinical #video #ophthalmology ... #neurology #syndrome
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... Optic nerve* (main cause ... Retina, Macula Main Association ... #Defect #RAPD #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Double Vision - Differential ... • Neurologic ... Cataract/Lens Dislocation ... #DoubleVision #Differential ... #Ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
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Neuro-OphthaImoIogy ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy #Causes ... #Ophthalmology