17 results
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Glomerular Diseases ... RBC casts in urine ... but in severe cases ... diabetes)) #Glomerular ... #Classification
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic ... the patient have glomerular ... hematuria (RBC casts ... #Nephritic #Nephrotic ... Syndrome #Comparison #Algorithm
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
Causes of Acute ... Tubules (ATN) • Glomerular ... : Nephrotic, Nephritic ... #KidneyInjury #Causes ... Differential #Diagnosis #Algorithm
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... • Hereditary nephritis ... and >3.5g/day (nephrotic ... #Causes
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Kidney Injury - Classification ... - Small vessel vasculitis ... - TTP/HUS • Glomerular ... tubular necrosis (causes ... Acute interstitial nephritis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Post-strep GN, Lupus Nephritis ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
dysmorphic RBC, RBC casts ... formation along glomerular ... staining (lg + complement ... MGPN • Complement ... glomerulopathy, radiation nephritis
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
or alternative complement ... infections are common causes ... for ANCA-related vasculitis ... glomerulonephritis #nephrotic ... #nephritic #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - Skin, glomeruli ... : - Kidneys: glomerular ... against MPO • Complement ... #rheumatology #classification
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... clusters because nephritic ... Nephrocalcinosis causes ... #Algorithm #differential ... #proteinuria #nephrotic