12 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm - Diabetes ... Insipidus Workup ... Step #1 - Consider ... Algorithm #Sodium #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Insipidus • Nephrogenic ... Diabetes Insipidus ... solute loading • Relief ... Algorithm #causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) ... • Euvolemic: Diabetes ... insipidus (central ... #Algorithm #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Recovery from Acute ... Insipidus - DDAVP ... Insipidus #Polyuria ... #Nephrology #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Osmolality, Urine 1- ... #Insipidus #Diagnosis ... #Algorithm #nephrology ... #differential
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Torsemide) • Acute ... insipidus • Kidney ... hyperaldosteronism • Acute ... Excretion #Diuresis #Nephrology ... #Pharmacology #
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
excretion • Acute ... • Drugs • Diabetic ... type 2 • Type 1 ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
, Dehydration: neurologic ... post-obstructive 3) Diabetes ... Insipidus: neurogenic ... ([Na] / 140) - 1) ... Treatment #management #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
insipidus Differential ... Diagnosis: Diabetes ... Insipidus, Impaired ... intoxication Initial Workup ... diagnosis #management #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ketoacidosis: Diabetic ... Renal failure (acute ... Hypokalemia 1. ... Metabolic #Acidosis #differential ... diagnosis #causes #nephrology