36 results
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
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 #Ocular ... CNIII #CNIV #CNVI #Neurology ... #Diagnosis #Chart
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Cataracts - Macula: Macular ... degeneration - Retina ... inflammation - Optic Nerve ... #Differential #Diagnosis
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Interosseous Peripheral Nerve ... #Interosseous #Nerve ... OKSign #clinical #video ... #msk #sports #neurology ... #orthopedics #Hand
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 ... #neurology #ophthalmology
Myelinated retinal nerve fibers (MRNF) on Fundoscopy Ocular Examination

They are retinal nerve fibers prior to the
nerve fibers (MRNF ... on Fundoscopy Ocular ... nerve fibers prior ... #MRNF #Ocular #PhysicalExam ... #clinical #video
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... IV (Trochlear) Nerve ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Abduction C5 Axillary Nerve ... Thoracodorsal Nerve ... Musculocutaneous Nerve ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
- Differential Diagnosis ... Caused by decreased nerve ... increased ICP Optic nerve ... Ocular causes - ... #Differential #Diagnosis