18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... lung nodules, may also ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes #radiology ... #neurology
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... Disease • Central: Stroke ... , CNS lesion Presyncope ... , Prior strokes, ... #Diagnosis #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... encephalitis) • Brain ... lesions (e.g. stroke ... Syndrome #diagnosis #neurology ... #differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... conditions: • Stroke ... Space-occupying brain ... lesionCNS ... Diagnosis #Algorithm #neurology
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... from the brain ... from the cerebral cortex ... form part of the differential ... of the foot is stroked
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Impairment: • Acute stroke ... of the spinal cord ... aminotransferases • Serology ... #Diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Contralateral motor cortex ... sensory loss Brain ... Unilateral Spinal Cord ... Lesions Above ~ ... #Hemiplegia #Neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
system between the cortex ... these pathways, as ... in a stroke, paralyzes ... both sides of the cortex ... #Bells #Palsy #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
meninges in spinal cord ... or hemorrhagic stroke ... contrast enhancement Brain ... Tuberculosis #diagnosis #differential ... #TB #neurology