16 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Workup Step #1 ... history Step #2 ... & desmopressin test ... #Sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... water retention 1) ... Serum Osmolarity 2) ... #nephrology #sodium
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Plasma AND • Sodium ... Osmolality, Urine 1- ... 2 hrs post administration ... #nephrology #differential
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Cystinuria - Amino acid ... Nephrogenic diabetes insipidus ... Defects #Kidney #Nephrology ... #Diagnosis #Differential ... #Table
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... 1) Check Urine ... renal mechanism 2) ... Euvolemic: Diabetes insipidus ... #nephrology #sodium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic algorithm ... PHA type l/type 2 ... • Type 1 #Hyperkalemia ... #nephrology #potassium ... #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
acidosis (type 1 ... of 2), Ureterosigmoidostomy ... , glycyrrhizic acid ... #causes #nephrology ... #potassium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
1) Check serum ... osmolality 2) Check ... , uric acid Joel ... #differential # ... hyponatremia #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... poisoning Normal acid-base ... the excretion of sodium ... and potassium acid ... #nephrology #differential
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
, Pyroglutamic acid ... 2. ... Potassium-sparing ... Metabolic #Acidosis #differential ... diagnosis #causes #nephrology