1005 results
BUN/Creatinine ratio differentiate between acute and chronic renal disease.
Prerenal azotemia appears when there is poor renal
BUN/Creatinine ratio ... Prerenal azotemia ... Postrenal azotemia ... Suggest renal azotemia ... late postrenal azotemia
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
+ K meq/L] + [BUN ... fluids, nutrition), Azotemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
ALT) • AKI: BUN ... Prevent Prerenal azotemia
Algorithmic Approach to the Patient with Azotemia

#Azotemia #AKI #Nephrology #Diagnosis #Differential #Algorithm #Management
the Patient with Azotemia ... #Azotemia #AKI
Flapping tremors of Asterixis

DDx
- Decompensated cirrhosis or acute liver failure.
- Renal failure /azotemia.
- Respiratory failure with
Renal failure /azotemia
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Hyperglycemia • Azotemia
Asterixis (flapping tremor) in uremia on Physical Exam
Asterixis (flapping tremor) in a patient with AKI, azotemia
patient with AKI, azotemia
Chest pain, good story, but nonspecific ECG? Do a bedside echo: regional WMAs support your case
pain, good story, but ... angiography. - Ben
DRESS Syndrome vs SJS/TEN
DRESS
 • Latency: 2-8 weeks
 • Rash: Morbilliform
 • Mucosal involvement: 50% have
Kidney: Prerenal azotemia
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
caused by prerenal azotemia