12 results
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
- Small vessel vasculitis ... glomerulonephritis ... necrosis (causes ... interstitial nephritis ... #diagnosis #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... tubulointerstitial nephritis ... tuberculosis Fatty - Nephrotic ... #Casts #Differential ... #Microscopy #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... - Skin, glomeruli ... differential #diagnosis ... #rheumatology #classification
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
, urine microscopy ... and signs • Glomerulonephritis ... / Vasculits: ANCA ... • Interstitial nephritis ... #Diagnosis #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
inhibitors, hepatorenal syndrome ... INTRINSINC RENAL Glomerulonephritides ... Post-infectious GN, Lupus ... Interstitial Nephritis ... Diagnosis #nephrology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Small-vessel vasculitis ... Interstitial nephritis ... • Inflammatory disease ... #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... clots ➔ Lower Urinary ... GN or vasculitis ... #Diagnosis #causes ... #urology #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
vasculitis, rheumatoid ... • Mesenteric vasculitis ... nephritis can present ... (nephrotic-range ... inflammation Cutaneous Vasculitis
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... UOP/weights - Urine ... - Pre-renal disease ... or vasculitis — ... #Causes #Differential