10 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Drop - Radial Nerve ... Claw Hand - Ulnar Nerve ... #Differential #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... drop - Occurs after ... #Myotomes #diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
elbow, wrist and ... Sensation to the skin over ... space and the wrist ... drop: ECRB and ... #Anatomy #diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
IV (Trochlear) Nerve ... palsy • CN VI (Abducens ... ) Nerve palsy • ... #Localization #ophthalmology ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Neuropathy - Foot drop ... sensory disturbance over ... damage to peroneal nerve ... #Myotomes #diagnosis
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Muscle atrophy (over ... supplied by the nerve ... disturbance in nerve ... root's dermatome ... Radiculopathy #MSK #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 ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... #differential #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... fingers, volar wrists ... Erosive pustular dermatosis ... eventually scab over ... #Differential #Diagnosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs over ... Lichen planus - Wrists ... extremities, flexor wrists ... Herpes zoster - Dermatomal ... #differential #diagnosis
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
Cover - Uncover ... Just after the cover ... CNVI #Palsy #CN6 #Abducens ... #Nerve #clinical ... video #neurology #ophthalmology