44 results
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Injury ( AKI ) - Prerenal ... Urinary calculi Retroperitoneal ... Kidney #Injury #Prerenal
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Diagnosis Framework PRERENAL ... tract malignancy, retroperitoneal
Retroperitoneal Space - Sagittal Anatomy
 • Anterior Pararenal Space
 • Perirenal Space
 • Posterior Pararenal Space

Dr.
Retroperitoneal ... Anatomy • Anterior Pararenal ... Space • Perirenal ... Space • Posterior Pararenal ... Pal @drdevrad #Retroperitoneal
Retroperitoneal Space Anatomy
Fascial Anatomy: 
 - Anterior Renal Fascia
 - Lateroconal Fascia
 - Posterior Renal Fascia
Retroperitoneal ... Anterior Pararenal ... Perirenal space ... Pal @drdevrad #Retroperitoneal
Perirenal Retroperitoneal Hemorrhage on POCUS 

Elderly male with hypotension/abd pain.  Perihepatic window shown. Diagnosis?
Answer: Patient
Perirenal Retroperitoneal ... Answer: Patient has retroperitoneal ... fluid in anterior pararenal ... is located in retroperitoneal ... #Retroperitoneal
Prerenal Acute Kidney Injury - Diagnostic Schema

Hypovolemia 
Hypervolemia 
Hypotension 
Vessels 

#Prerenal #Acute #Kidney #Injury #AKI #Diagnosis
Prerenal Acute Kidney ... Vessels #Prerenal
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
pseudotumor - Retroperitoneal ... Exophthalmos - Perirenal
Acute Kidney Injury (AKI) - Common Patterns on Urinalysis
 - Prerenal
 - ATN
 - AIN
 -
Urinalysis - Prerenal
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Classification Prerenal ... rhabdo, prolonged prerenal
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
< 1% suggests prerenal