17 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
- Differential Diagnosis ... 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
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
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
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
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Acute Kidney Injury ... Diuretics if heart failure ... INTRINSIC: - Glomerular ... Management: Avoiding nephrotoxic ... #Kidney #Injury
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... Acute Kidney Injury ... HEMODYNAMIC • Cardiac failure ... Glomerulonephritides ... 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