57 results
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... • Infection (e.g ... Brain lesions (e.g ... #diagnosis #neurology ... #differential
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... (e.g. ... Anorexia Nervosa • CNS ... Tumors (e.g. ... #ShortStature #Differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... symptoms and signs (e.g ... brain lesion • CNS ... infection (e.g. ... Diagnosis #Algorithm #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... (e.g. oculomotor ... AQP4-lgG disease; e.g ... pain • Extra-CNS ... Manifestations #diagnosis #neurology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... - Malignancy (e.g ... the lung) - CNS ... pathology (e.g. ... Pulmonary pathology (e.g
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Reduced GFR, AKI/CRF ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Pain/Post-op • Neurologic ... Reduced GFR, AKI/CRF ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Diagnosis- Compatible syndrome ... + toxo IgG • CNS ... Lesions #Brain #differential ... causes #radiology #neurology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome ... • ↑ in serum Cr ... liver disease (e.g ... #Hepatorenal #Syndrome ... #nephrology #criteria
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... nervous system (CNS ... • Sjögren syndrome ... #neurology #inflammatory ... #differential #