16 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... ringenhancing #lesions #cns ... #brain #diagnosis ... #differential # ... #radiology #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... Palsy • CN IV ... palsy • CN VI ... #neurology #differential ... #diagnosis #ocular
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... 30% present w/ CNS ... #differential # ... #radiology #neurology
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Diagnosis Algorithm ... • CN VI palsy ... for ptosis with CN ... • Neurologic ... #Diagnosis #Algorithm
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... pulmonary etc) • CNS ... nervous system: Brain ... #Diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... HIV-Associated CNS ... Fever, headache, neck ... of the abducens nerve
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Space-occupying brain ... lesion • CNS ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Diagnosis Algorithm ... • Oculomotor Nerve ... Fascicle (Other CN ... #Diagnosis #Algorithm ... #Causes #Ophthalmology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
: • Traumatic brain ... Trochlear headache • CNS ... the trigeminal nerve ... #diagnosis #ophthalmology ... #Neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
posterior head/neck ... CN VII (facial weakness ... “mee-mee-mee;” CN ... MRI brain and C-spine ... #CNXII #CN12 #Neurology