24 results
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion ... = (Urine Na+ x Serum ... Cr) / (Serum Na ... #Sodium #nephrology ... #calculation #diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Urea/uric acid excretion ... water retention 1) Serum ... Urine Sodium 4) Serum ... #Algorithm #nephrology
Fractional Excretion of Urea - FEurea
Fractional Excretion of Urea (FEurea) = (Urine Urea x Serum Cr)
Fractional Excretion ... (Urine Urea x Serum ... Cr) / (Serum Urea ... #Urea #FEUrea #nephrology ... #calculation #diagnosis
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Fractional excretion ... urine magnesium x serum ... creatinine)/ [0.7 (serum ... #differential #diagnosis ... #causes #nephrology
Magnesium Absorption and Pathophysiology 
Magnesium Absorption: 
 • absorbed in the GIT — small intestine, Saturable
Absorption and Pathophysiology ... tissue, 1% in serum ... red blood cell Excretion ... Magnesium #Absorption #Pathophysiology ... Mg #transport #nephrology
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
usefulness of the serum ... in addition to serum ... assistant medical calculation ... #Diagnosis #Nephrology ... EGFR #Equations #Calculation
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... • Impaired H+ secretion ... pH > 5.5 • Serum ... #Differential #Diagnosis ... #Workup #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome Pathophysiology ... ↑ K+ and ↑ H+ secretion ... Gitelman #Syndrome #Pathophysiology ... #nephrology #diagnosis
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
-> Insulin secretion ... cells -> Decr Serum ... proteins -> decr Serum ... Refeeding #Syndrome #diagnosis ... #pathophysiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
- Differential Diagnosis ... and Pathophysiology ... • Sepsis Complications ... Differential Diagnoses ... #Pathophysiology