64 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... cryptococcus, and aspergillus ... Lesions #Brain #differential ... #radiology #neurology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... Diagnosis Algorithm ... (e.g. ... Anorexia Nervosa • CNS ... #Diagnosis #Algorithm
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 ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
cut-offs defined in clinical ... formulations (e.g ... beta-glucans (e.g ... Galactomannan #diagnosis ... #comparison
Diagnostic approach to the admitted patient with possible COVID-19

Initial evaluation
- Chest X-ray
- Lung ultrasound (thorough "lawn-mower"
- CBC with differential ... C-reactive protein (CRP ... as clinically indicated ... (e.g. echocardiogram ... , EKG) Dr.
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Erythematosus (SLE) Clinical ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS ... #neurology #rheumatology
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 ... exacerbation) - Drugs (e.g
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
(IA) - Diagnosis ... immunosuppression (eg ... HIV/AIDS, CGD) Clinical ... Rhinosinusitis, CNS ... #IA #Diagnosis
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Diagnosis GI losses ... Infiltrative disorders (e.g ... Malignancy - CNS ... - Medications (e.g ... renal diseases (e.g
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... symptoms and signs (e.g ... brain lesion • CNS ... infection (e.g. ... #neurology #PHANTOMS