13 results
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... - Classification ... - Small vessel vasculitis ... - TTP/HUS • Glomerular ... #diagnosis #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Skin, glomeruli ... : - Kidneys: glomerular ... purpura: strong sign ... Large Vessel: Blood ... #rheumatology #classification
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... sclerosis • Anti-Glomerular ... differential #diagnosis #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
or dipstick) Glomerular ... • Causes of Glomerular ... of glomerular hematuria ... Diagnostic of GN or vasculitis ... Suggestive of glomerular
Drug Induced Kidney Injury
 • Pre-Renal: NSAIDS, CNI, ACEI/ARB, IL-2 therapy, Diuretics CAR-T therapy
 • Osmotic
Induced Kidney Injury ... Vitamin C • Glomerular ... Disease: Drug induced ... vasculitis, TMA ... diagnosis #algorithm #nephrology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... pulses, bruits, or blood ... • Kidneys: Non-glomerular ... • Behcet syndrome ... • Cogan syndrome
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... palpable purpura 2/2 vasculitis ... quantify renal injury ... reveals increasing blood ... hypercellular glomeruli
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
(Goodpasture's Disease ... A small vessel vasculitis ... directed against the glomerular ... AntiGBM #diagnosis #nephrology ... #pulmonary
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
vessels (vasculitis ... interstitial lung disease ... /pulmonary fibrosis ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
deficiency of red blood ... • Pulmonary infarction ... • Tumor lysis syndrome ... tumor burden) Vasculitis ... polyangiitis • Behçet's syndrome