26 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine sediment Microscopic ... urine sediment by microscopy ... pain hematuria syndrome ... pain + gross or microscopic ... Diagnostic of GN or vasculitis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... retroorbital mass) • Microscopic ... Cryoglobulinemic vasculitis ... and Sjogren's syndrome ... • IgA vasculitis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... IgA-associated vasculitis
Acanthocyte on Urine Microscopy

3D view of acanthocyte in a patient with hydralazine-induced vasculitis

Dr. Muner Mohamed @MunerMohamed1

#Acanthocyte
Acanthocyte on Urine Microscopy ... 3D view of acanthocyte ... hydralazine-induced vasculitis ... Acanthocyte #Urine #Microscopy
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... polyangiitis (GPA), microscopic ... polyangiitis without renal ... involvement - PR3>MPO Microscopic ... polyangiitis - MPO>PR3 Renal-limited
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... - Goodpasture syndrome ... - Schnitzler syndrome ... - Sjögren syndrome
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
dipstick, urine microscopy ... urinary sediment, renal ... Glomerulonephritis / Vasculits ... Abdominal compartment syndrome ... syndrome: troponin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... PR3-ANCA): • Microscopic ... • Cogan Syndrome ... Dx: GPA, EGPA, microscopic ... • Urinalysis (Renal
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Leukocytoclastic Vasculitis ... Associated: - Microscopic ... Disease • Cogan syndrome
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urinalysis/microscopy ... protein/Cr - Renal ... - 45% - Pre-renal ... mostly ATN and pre-renal ... Glomerulonephritis or vasculitis