11 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
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
- Serum to Ascites ... Albumin Gradient ... oncotic pressure Low ... Matherly @liverprof #Diagnosis ... #Albumin #Gradient
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Urea/uric acid excretion ... water retention 1) Serum ... Urine Sodium 4) Serum ... Uric Acid - Low ... #Algorithm #nephrology
Serum Ascites Albumin Gradient (SAAG) - Differential Diagnosis
High albumin gradient (>1.1 g/dl):
 - Cirrhosis	
 - Alcoholic
Serum Ascites Albumin ... Gradient (SAAG) ... - Differential Diagnosis ... Mixed ascites" Low ... #Serum #Ascites
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Fractional excretion ... urine magnesium x serum ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
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
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... • Impaired H+ secretion ... K: low/normal ... #Differential #Diagnosis ... #Workup #nephrology
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
weight loss - Low ... disturbances: low ... -> Insulin secretion ... Refeeding #Syndrome #diagnosis ... #pathophysiology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... of breath with exertion ... Tachypnea, - Low-grade ... uteroplacental circulation ... #differential #diagnosis
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
- Differential Diagnosis ... Appropriate renal excretion ... , TTKG, distal flow ... Release - Increased Serum ... IntercellularShift #Nephrology