33 results
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Weakness • Cardio-pulmonary ... Hyperreflexia • Lead ... Peripheral #Weakness #Neurology ... #Differential #
ABCs of Lung Ultrasound - A-Lines, B-Lines, Consolidation
A-Profile - Air filled lung does not transmit sound
ABCs of Lung Ultrasound ... Filled alveoli lead ... Collapsed alveoli lead ... #POCUS #Differential ... #Diagnosis #pulmonary
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Exogenous solute load ... #Polyuria #Differential ... Algorithm #causes #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Hyperphosphatemia - Differential ... Acute Phosphate Load ... Hyperphosphatemia #Differential ... Workup #phosphate #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
HyperKalemia - Differential ... iatrogenic K+ load ... blockers - MCW Nephrology ... #HyperKalemia #Differential
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... brainstem may lead ... #Differential # ... Diagnosis #ophthalmology
Causes of Peripheral Edema - Differential Diagnosis
Increased Hydrostatic Pressure
 • Volume Expansion: Kidney failure, Pregnancy, Medication
Peripheral Edema - Differential ... NSAIDs), Acute salt load ... Heart failure, Pulmonary ... Peripheral #Edema #Differential
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Deficiency Anemia - Differential ... athletic training, Pulmonary ... Copper deficiency, Lead ... Deficiency #Anemia #Differential
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Increased potassium load ... Diagnosis #algorithm #nephrology ... #potassium #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... Lesions #Brain #differential ... causes #radiology #neurology