2812 results
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Injury ( AKI ) - Prerenal ... Kidney #Injury #Prerenal
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Classification Prerenal ... tubular necrosis (causes ... rhabdo, prolonged prerenal
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
PROBLEM ~80% of AKI cases ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... for WBCs, RBCs, casts
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Diagnosis Framework PRERENAL ... white blood cell casts ... renal tubular cell casts ... or pigmented casts ... treating underlying cause
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Prevent Prerenal ... Management #Summary #causes
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Prevent Prerenal ... Diagnosis #Management #causes
Prerenal Acute Kidney Injury - Diagnostic Schema

Hypovolemia 
Hypervolemia 
Hypotension 
Vessels 

#Prerenal #Acute #Kidney #Injury #AKI #Diagnosis
Prerenal Acute Kidney ... Vessels #Prerenal
Acute Kidney Injury (AKI) - Common Patterns on Urinalysis
 - Prerenal
 - ATN
 - AIN
 -
Urinalysis - Prerenal
Retroperitoneal Space - Sagittal Anatomy
 • Anterior Pararenal Space
 • Perirenal Space
 • Posterior Pararenal Space

Dr.
Anatomy • Anterior Pararenal ... Space • Perirenal ... Space • Posterior Pararenal
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
< 1% suggests prerenal