39 results
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... Congenital #Nystagmus #PhysicalExam ... clinical #video #neurology ... #ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Interpreting Kidney Biomarkers

↑ Creatinine: 
 • AKI, CKD
 • Medications that lead to nephroprotective ↓ in
Medications that lead ... Kidney #renal #diagnosis ... #laboratory #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
- Differential Diagnosis ... Exogenous solute load ... #Differential #Diagnosis ... Algorithm #causes #nephrology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... Neurogenic Ptosis - Neurologic ... brainstem may lead ... Syndrome #Ptosis #neurology ... #ophthalmology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Increased potassium load ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... Acute Phosphate Load ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential Diagnosis ... iatrogenic K+ load ... blockers - MCW Nephrology ... #Differential #Diagnosis
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... Hyperreflexia • Lead ... Peripheral #Weakness #Neurology ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... skin lesions, LAD ... #differential #diagnosis ... causes #radiology #neurology