40 results
Physical exam findings of various ocular palsies; image courtesy of the BMJ

R 3rd nerve palsy
R 4th
findings of various ocular ... palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular ... CNVI #Neurology #Diagnosis
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... retraction #nystagmus #ocular ... physicalexam #clinical #video
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... IV (Trochlear) Nerve ... VI (Abducens) Nerve ... #differential #diagnosis ... #ocular
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
acetate to help with ocular ... The nerves at the ... , trochlear nerve ... , abducens nerve ... HZO #clinical #video
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
to the radial nerve ... in the median nerve ... cause axillary nerve ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... three clinical diagnoses ... junction, cranial nerve ... eyelid: • Third nerve ... #Differential #Diagnosis
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
- Differential Diagnosis ... • Age Related Macular ... conditions Optic Nerve ... vision: • Optic Nerve ... #Differential #Diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
saddle (perineal) anesthesia ... damage to peroneal nerve ... Dermatomes #Myotomes #diagnosis
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
- Differential Diagnosis ... Optic Nerve/Pathway ... Ocular Adverse Effects ... Tumor • Optic nerve ... #differential #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... artery aneurysms Nerve ... Spinal stenosis/nerve ... Paralysis 4) Paresthesia ... #differential #diagnosis