53 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... → "setting sun sign ... " - Vascular disease ... #diagnosis #pineal ... #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... "setting sun" sign ... • Vascular disease ... #neurology #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... skin lesions, LAD ... #causes #radiology ... #neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... allopurinol), Infection ... DAH, rule out infection ... #differential #diagnosis ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Erythropoiesis (B12 injections ... • Refeeding syndrome ... Matthew Ho, MD PhD ... #Algorithm #nephrology
Posterior Fossa Abnormalities - Neuroradiology Differential Diagnosis
 - Mega Cisterna Magna
 - Pouch Cyst
 - Arachnoid
Neuroradiology Differential Diagnosis ... Rhombencepholosynapsis - Joubert Syndrome ... Devpriyo Pal @drdevrad ... Abnormalities #Pathology #Neurology ... #radiology
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
, Busulfan • Disease ... (Goodpasture's syndrome ... #differential #diagnosis ... #blood #urine #management ... #treatment #nephrology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... Urinary tract infection ... Classification #diagnosis ... #nephrology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... Cardio-pulmonary disease ... • Endocrine Disease ... Lambert-Eaton Myasthenic Syndrome ... Peripheral #Weakness #Neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... lesion • CNS infection ... Matthew Ho, MD PhD ... #Algorithm #neurology