44 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Nystagmus with a left ... 6th nerve palsy ... Caused by a ... retraction #nystagmus #ocular ... #neurology #ophthalmology
Vagus Nerve Schwannoma eliciting paroxysmal cough when palpated

The cough reflex is caused by stimulation of vagal
Vagus Nerve Schwannoma ... palpated The cough reflex ... is caused by stimulation ... physicalexam #clinical #video ... #neurology #reflex
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... of Facial Nerve ... Loss of Corneal Reflex ... #Bells #Palsy #Neurology ... Signs #Symptoms #Diagnosis
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Fixed Dilated Pupil ... - Differential Diagnosis ... Oculomotor (3rd cranial nerve ... no neurological cause ... #neurology
Marcus-Gunn Pupil - Pupillary dilation in response to light on the left eye and a preserved
Marcus-Gunn Pupil ... to light on the left ... #Pupillary #reflex ... #clinical #video ... #ocular #neurology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... Algorithm • Confirm ... → Refer to Nephrology ... cause not identified ... #Algorithm #Workup
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Algorithm Forehead ... (2% of facial nerve ... #Algorithm #Causes ... #neurology #sparing
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... pupillary light reflex ... ) Where: Optic nerve ... * (main cause), ... #Defect #RAPD #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
IV (Trochlear) Nerve ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... Algorithm Clinical ... • Neurologic ... large/unreactive pupil ... #Algorithm #Causes