39 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve Palsy • CN ... VI (Abducens) Nerve ... One-and-a-half Syndrome ... Skew Deviation Casey ... differential #diagnosis #ocular
Left Abducens Palsy on Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Abducens #Palsy #CN6 #CNVI #Ocular #PhysicalExam #clinical #video
Left Abducens Palsy ... on Ocular Examination ... @oftalmopo #Abducens ... #Palsy #CN6 #CNVI ... #Ocular #PhysicalExam
Left Abducens Spasm on Physical Exam

A 50 yr male with left facial spasm and diplopia, with
Left Abducens Spasm ... paroxysmal brainstem syndrome ... #Spasm #CNVI #CN6 ... #PhysicalExam # ... clinical #ocular
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Hypertension • Medications ... NSAIDS, Steroids, CNI ... Other Endocrine causes ... low renin HTN causes
Serotonin Syndrome Drug Precipitants and Pharmacology
↑ Serotonin Formation: Tryptophan, Oxitriptan
↑ Serotonin Release: Amphetamines, Cocaine, Mirtazapine
↑ Serotonin
Serotonin Syndrome ... Precipitants and Pharmacology ... ucsdim #Serotonin #Syndrome ... #Pharmacology # ... medications #causes
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
Rectus Palsy on Ocular ... Rectus #Palsy #Abducens ... #CNVI #CN6 #Ocular ... #physicalexam #
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Diagnosis Framework Causes ... Unilateral Mydriasis: CN ... response, Serotonin syndrome ... Hypothermia Causes ... Miosis: Horner's syndrome
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... sensory #motor #arm #physicalexam
Cranial Myokymia

Paroxysmal episodes of left facial (Orbicularis oculi) and left abducens spasms after remote radiation to
facial (Orbicularis oculi ... ) and left abducens ... video #neurology #physicalexam ... #CNVI #CN6 #Abducens
Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
• Serotonin Syndrome ... Abnormalities: Ocular ... SSRI Withdrawal Syndrome ... Dizziness - Nausea ... Pathophysiology #Pharmacology