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

R 3rd nerve palsy
R 4th
findings of various ocular ... the BMJ R 3rd nerve ... palsy R 4th nerve ... palsy R 6th nerve ... palsy #Ocular
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... (Trochlear) Nerve ... (Abducens) Nerve ... Skew Deviation Casey ... differential #diagnosis #ocular
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
with a left 6th nerve ... palsy Caused ... retraction #nystagmus #ocular
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... many different causes ... of Facial Nerve ... Palsy. ... the commonest cause
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... (2% of facial nerve ... palsy) - Unilateral ... : Bell's Palsy (
Bell's Palsy
Bell’s Palsy is a damage, acute weakness, or paralysis of the Facial nerve (7th CN),
Bell's Palsy Bell ... of the Facial nerve ... an identifiable cause ... when the facial nerve ... The cause is unknown
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Conditions Erb's Palsy ... to the radial nerve ... Saturday night palsy ... in the median nerve ... axillary nerve
Tethered Retinal Detachment on Point of Care Ultrasound (POCUS)

Retina is tethered at ora serrata and optic
Care Ultrasound (POCUS ... serrata and optic nerve ... Tethered #Clinical #POCUS ... #Ocular #Ultrasound
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... death of optic nerve ... supporting glia partly
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Superficial Cervical Plexus Nerve Block
Uses in the Emergency Department:
Ultrasound-Guided Regional Nerve ... Cervical Plexus Nerve ... Block Uses in ... cervical #plexus #nerve ... ultrasound #anesthesia #pocus