13 results
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... - Small vessel vasculitis ... - TTP/HUS • Glomerular ... glomerulonephritis ... necrosis (causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... blood cells on urine ... • Calculi Glomerular ... epithelial side of glomerular ... endothelial side of glomerular
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
tubular injury ... red - cells Non-glomerular ... Dysmorphic red cells - Glomerular ... glomerular disease ... renal disease
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
or dipstick) Glomerular ... of Glomerular Bleeding ... of glomerular hematuria ... Suggestive of glomerular ... disease Renal
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Glomerulonephritis ... Small-vessel vasculitis ... Interstitial nephritis ... • Inflammatory disease
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... clinical context and signs ... • Glomerulonephritis ... / Vasculits: ANCA ... • Interstitial nephritis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - Skin, glomeruli ... : - Kidneys: glomerular ... purpura: strong sign ... #rheumatology #classification
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
GN • Active Urine ... formation along glomerular ... (Dense deposit disease ... MPGN #nephrology #diagnosis ... #renal
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
evaluated for glomerular ... monitoring low-level glomerular ... of glomerular disease ... disorders #glomerular ... #glomerulonephritis
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... Injury (AKI) ... UOP/weights - Urine ... disease — 21% ... or vasculitis