10 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Interstitial Nephritis ... sensitive) • AKI ... , microscopic hematuria ... Nephritis #AIN # ... #diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Red blood cells ... • Hereditary nephritis ... and >3.5g/day (nephrotic ... Differential #Diagnosis
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( AKI ... ) - Prerenal, Renal ... • Sepsis • Blood ... nephritis • Drugs
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
- TTP/HUS • Glomerular ... tubular necrosis (causes ... AKI) - Acute ... interstitial nephritis ... #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
(AKI) - Differential ... Prerenal: • ... effective arterial blood ... interstitial nephritis ... Diagnosis #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
are seen in acute ... tubulointerstitial nephritis ... Fatty - Nephrotic ... #Differential # ... Microscopy #Diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine microscopy ... and signs • Glomerulonephritis ... biopsy • Interstitial ... nephritis: eosinophilia ... #Diagnosis #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... (AKI) - Acute increase ... polyangiitis /microscopic ... Interstitial Nephritis ... #Nephrology #Differential
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
AKI - Differential ... Glomerulonephritides ... Interstitial Nephritis ... #causes #Acute ... #Diagnosis #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... pulmonary and renal ... PR3-ANCA): • Microscopic ... tract, and often causes ... inflammatory lesions-interstitial