14 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... • Nephrogenic Diabetes ... Dl • Chronic Renal ... Algorithm #causes #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... potassium excretion ... • Drugs • Diabetic ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential Diagnosis ... Recovery from Acute Renal ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... Poorly controlled diabetes ... Diabetes Insipidus ... Nephrogenic DI (Renal ... #Causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... • Discontinued diuretic ... #Differential #Diagnosis ... #Algorithm #nephrology ... #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Ureterosigmoidostomy, Diabetic ... #differential #diagnosis ... algorithm #causes #nephrology ... #potassium
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
- Differential Diagnosis ... Proteinuria) • Diabetes ... Interstitial (Sterile pyuria ... KidneyDisease #Nephrology ... #Differential #Diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Correction of diabetic ... steatorrhea) • Renal ... osmotic diuresis, Potassium ... #differential #diagnosis ... #nephrology #magnesium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology