55 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... nodules, may also see ... #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 ... ringenhancing #lesions ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... * (most common cause ... encephalitis) • Brain lesions ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... polyneuropathy (e.g ... #differential #diagnosis ... #table #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... be divided into ... - Infection (e.g ... #differential #diagnosis ... #neurology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... ST segment may be ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
colored compounds (e.g ... heme, bilirubin, etc ... - Believed to be ... Urine #Microscopy #nephrology ... interpretation #diagnosis
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential Diagnosis ... Unilateral Spinal Cord Lesions ... #Hemiplegia #Neurology ... #Algorithm #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential Diagnosis ... Osmotic diuresis (see ... Polyuria scheme) e.g ... Hypernatremia #Nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... may be in nephrotic ... May be 10 (eg direct ... #Proteinuria #Nephrology ... #Diagnosis