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

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... immunocompetent (HIV negative ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... #differential #diagnosis ... #causes #radiology ... #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... • CNS: parietal ... (Many causes!) ... encephalitis) • Brain lesions ... #diagnosis #neurology
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... : ß-blockers, CNS ... lesions, Lymphomas ... #differential #diagnosis ... infectiousdiseases #table
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... - Differential Diagnosis ... Hypothalamic - Negative ... • Infiltrative lesions ... #Algorithm #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... - Cirrhosis Syndrome ... the lung) - CNS ... #Differential #Diagnosis ... #Table #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... - Infection (e.g ... #diagnosis #neurology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... - Differential Diagnosis ... Withholding • Painful (e.g ... • Spinal Cord Lesions ... Guillain-Barré Syndrome
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... - Differential Diagnosis ... inhibitors, hepatorenal syndrome ... NephroP #AKI #causes ... #nephrology