16 results
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... Poorly controlled diabetes ... Diabetes Insipidus ... Hereditary, Lithium, Hypercalcemia ... #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... • Nephrogenic Diabetes ... solute load #Polyuria ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diagnosis Algorithm Polyuria ... (Uncontrolled Diabetes ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Proteinuria) • Diabetes ... Interstitial (Sterile pyuria ... Hyperoxaluria • Hypercalcemia ... KidneyDisease #Nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Succinylcholine • Diabetes ... blockers - MCW Nephrology ... MCW_Nephrology #HyperKalemia ... Differential #Diagnosis #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... Ureterosigmoidostomy, Diabetic ... diagnosis #algorithm #causes ... #nephrology #potassium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... diuresis (see Polyuria ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology ... Diagnosis #Algorithm #Causes
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of Diabetes ... uropathy, Metabolic causes ... (e.g., hypokalemia ... , hypercalcemia) ... Classification #Types #Nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Hypokalemia ... Hyperkalemia ... Drug-induced hyperkalemia ... #nephrology
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Diabetic Ketoacidosis ... out of cells may cause ... To prevent hypokalemia ... Polyphagia • Polyuria ... endocrinology #diabetes