16 results
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... (ATN) • Glomerular ... : Nephrotic, Nephritic ... drtonydang @CMC_IM #AKI ... #Acute #KidneyInjury
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
/nephritic syndromes ... the patient have glomerular ... hematuria (RBC casts ... #Syndrome #Comparison ... #Algorithm #Nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
inhibitors, hepatorenal syndrome ... fibrosis, cervical cancer ... Acute Interstitial Nephritis ... #KidneyInjury #Differential ... #Diagnosis #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
• Hepatorenal syndromes ... Acute Interstitial Nephritis ... Constipation • Prostate Cancer ... #Acute #KidneyInjury ... #Nephrology #Differential
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( AKI ... Interstitial nephritis ... Cervical cancer ... #Differential #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome ... BPH • Prostate cancer ... #urology #nephrology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... - TTP/HUS • Glomerular ... tubular necrosis (causes ... Acute interstitial nephritis ... Classification #diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Cirrhosis • Nephrotic ... GFR, AKI/CRF Hormonal ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Cirrhosis • Nephrotic ... GFR, AKI/CRF Hormonal ... #Hyponatremia #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
osmolarity If cause ... • Interstitial nephritis ... syndrome: troponin ... Differential #Diagnosis #nephrology ... #causes