56 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsyMedial ... One-and-a-half Syndrome ... ophthalmology #neurology ... #differential # ... diagnosis #ocular
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Reflexes: ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... The median nerve ... (AIN) palsy leaves ... and thumb do not flex ... #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
Cord Injury by Nerve ... L2 Anterior Medial ... L3 Medial Femoral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... nerve in its path ... #Nerve #Palsy # ... PhysicalExam #clinical ... #msk #sports #neurology
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
Nerve • Ptosis ... comparison to Horner's syndrome ... inferior rectus, medial ... #Cranial #neurology ... #diagnosis
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Diagnosis Framework ... If Altered Mental ... Oculomotor (3rd cranial nerve ... ) Palsy: • Brain ... #diagnosis #neurology
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
The median nerve ... Hoffmanns #Sign #Reflex ... #Positive #Abnormal ... #clinical #video ... #neurology #PhysicalExam
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... to be caused by abnormal ... the trigeminal nerve ... #clinical #video ... #neurology #physicalexam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... abnormal extraocular