61 results
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... ) • Infection ( ... e.g. encephalitis ... Brain lesions (e.g ... #differential
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 ... Solitary Lesion: • CNS ... @AnnKumfer #CNS
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Faget Sign - Pulse-Temperature ... Bradycardia • Infectious ... fever • Non-Infectious ... , CNS lesions, Lymphomas ... #bradycardia #differential
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... CRF) • Infection ... (e.g. ... Anorexia Nervosa • CNS ... endocrinology #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV-Associated CNS ... • CNS opportunistic ... : • CNS Syphilis ... #Infections #differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... (e.g., fever, myalgia ... brain lesion • CNS ... infection (e.g. ... Diagnosis #Algorithm #neurology
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Faget's Sign & Liebermeister's ... INCREASES 8-10 BPM INFECTIOUS ... Beta Blockers • CNS ... • Drug Fever CLINICAL ... #Fagets #Sign #Pulse
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... Malignancy - CNS ... infections - ... - Medications (e.g ... renal diseases (e.g
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... vasoconstriction (e.g ... Post-infectious ... AIN) • Drugs (e.g ... #Diagnosis #nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... the lung) - CNS ... pathology (e.g. ... Pulmonary pathology (e.g ... Diagnosis #Table #Causes