17 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Algorithm - Diabetes ... Insipidus Workup ... history Step #2 ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... mechanism 2) ... Euvolemic: Diabetes insipidus ... #Workup #Algorithm ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... Step 2. ... #Workup #Algorithm ... #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Algorithm - Utilizing ... Serum Osmolarity 2) ... High Uric Acid → renal ... #Algorithm #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Epithelial Cells Renal ... of epithelial sodium ... Nephrogenic diabetes insipidus ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Renal artery stenosis ... #Differential #Algorithm ... #Diagnosis #Causes ... #Workup #Nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
mutations in AQP-2 ... Acquired - Primary renal ... Treatment is aimed ... Classification #Types #Nephrology ... #Diagnosis #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
- Diagnosis Algorithm ... Plasma AND • Sodium ... Osmolality, Urine 1-2 ... #Diagnosis #Algorithm ... #nephrology #differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
- Differential Diagnosis ... , Dehydration: neurologic ... water unavailable 2) ... post-obstructive 3) Diabetes Insipidus ... #nephrology #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
occurs in only 2- ... : Diabetes Insipidus ... intoxication Initial Workup ... , Urine Sodium ... #management #nephrology