10 results
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- DI, Central Dl ... DI, Nephrogenic ... DI, Hypodipsia ... Diagnosis #Comparison #Table ... #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... renal mechanism 2) ... #Differential # ... #Algorithm #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... injury, Tumor • Nephrogenic ... DI (Renal resistance ... #Differential # ... Diagnosis #Causes #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
urine osm (in DI ... , Dehydration: neurologic ... water unavailable 2) ... Diabetes Insipidus: neurogenic ... Treatment #management #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
- Vasopressin-2 ... receptor or aquaporin-2 ... Defects #Kidney #Nephrology ... #Diagnosis #Differential ... #Table
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
a patient with polyuria ... insipidus (central or nephrogenic ... 300 mOsm/Kg • 2 ... #differential # ... diagnosis #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... approach to the differential ... 2) Is ADH elevated ... #Differential # ... Treatment #management #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Hyperuricemia • Hyponatremia ... per day until stable ... Rhabdomyolysis #Differential ... causes #treatment #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... occurs in only 2- ... diabetes insipidus Differential ... intoxication Initial Workup ... diagnosis #management #nephrology