10 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
metabolic acidosis • Diabetic ... of sodium and potassium ... #Algorithm #nephrology ... #differential # ... diagnosis
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
excretion • Acute ... renal failure • Chronic ... • Drugs • Diabetic ... #algorithm #nephrology ... #potassium #differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
leukemia Measure Urine ... Fractional Excretion ... Malabsorption, Chronic ... Glucose, Acute resp. alkalosis ... Workup #phosphate #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... other • Severe potassium ... #Differential # ... Diagnosis #Causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... (Uncontrolled diabetes ... Impaired Renal Excretion ... Medications 2. ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... (Uncontrolled diabetes ... Impaired Renal Excretion ... Medications 2. ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... • Metabolic alkalosis ... disequilibrium syndrome • Diagnosis ... #Diuresis #Nephrology ... #Pharmacology #Medications
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Potassium-sparing ... ketosis with ketone excretion ... #diagnosis #causes ... #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Hyperkalemia - Reduced Excretion ... nephron - TTKG > 7, Urine ... Creatinine • Chronic ... Aldosterone • Diabetic ... IntercellularShift #Nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Gitelman #Syndrome #diagnosis ... #nephrology #management ... #pathophysiology