189 results
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion ... FENa Fractional Excretion ... < 1% suggests prerenal ... FENA #Fractional #Excretion
Fractional Excretion of Urea - FEurea
Fractional Excretion of Urea (FEurea) = (Urine Urea x Serum Cr)
Fractional Excretion ... FEurea Fractional Excretion ... < 35% suggests prerenal ... #Fractional #Excretion
Retroperitoneal Space - Sagittal Anatomy
 • Anterior Pararenal Space
 • Perirenal Space
 • Posterior Pararenal Space

Dr.
Anatomy • Anterior Pararenal ... Space • Perirenal ... Space • Posterior Pararenal
Prerenal Acute Kidney Injury - Diagnostic Schema

Hypovolemia 
Hypervolemia 
Hypotension 
Vessels 

#Prerenal #Acute #Kidney #Injury #AKI #Diagnosis
Prerenal Acute Kidney ... Vessels #Prerenal
Retroperitoneal Space Anatomy
Fascial Anatomy: 
 - Anterior Renal Fascia
 - Lateroconal Fascia
 - Posterior Renal Fascia
Anterior Pararenal ... Perirenal space
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Injury ( AKI ) - Prerenal ... Kidney #Injury #Prerenal
Acute Kidney Injury (AKI) - Common Patterns on Urinalysis
 - Prerenal
 - ATN
 - AIN
 -
Urinalysis - Prerenal
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Intake • Reduced Excretion ... potassium with reduced excretion
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Classification Prerenal ... rhabdo, prolonged prerenal
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
urine phosphate excretion ... urinary #phosphate #excretion