12 results
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
(FENa) = (Urine ... / (Serum Na+ x Urine ... Cr) FEurea < 1% ... #nephrology #calculation ... #diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... water retention 1) ... Osmolarity 2) Urine ... Sodium 4) Serum ... #Algorithm #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Algorithm - Diabetes ... Workup Step #1 ... Eric Strong @DrEricStrong ... #Sodium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... sodium is typically ... the excretion of sodium ... #Algorithm #nephrology ... #differential #diagnosis
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... ↑ Aldosterone: Kidney ... #differential #algorithm ... #diagnosis #nephrology
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic ... Algorithm 1) Check ... volume status, urine ... sodium, uric acid ... #hyponatremia #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... #Workup #Algorithm ... #nephrology #sodium
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... UOP/weights - Urine ... Atheroemboli — 1% ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Algorithm Tests ... • Osmolality, Urine ... Plasma AND • Sodium ... 1-2 hrs post administration ... #Algorithm #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Heat injury, Heat stroke ... Shift of extracellular ... nephrotoxicity to kidney ... causes #treatment #nephrology