13 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... of glomerular hematuria ... : - RBC casts ... GN or vasculitis ... #nephrology #renal
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential Diagnosis ... Algorithm Red blood ... • Hereditary nephritis ... and >3.5g/day (nephrotic
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Acute Interstitial Nephritis ... sterile pyuria, WBC ... , microscopic hematuria ... #Interstitial #Nephritis ... #diagnosis
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
broad - Advanced kidney ... tubulointerstitial nephritis ... , renal tuberculosis ... Fatty - Nephrotic ... #Diagnosis #Nephrology
Staphylococcus-associated GlomeruloNephritis - Diagnosis and Management Summary
CLINICAL
 • Nephritic syndrome (Casts)
 • Marked proteinuria (may be
CLINICAL • Nephritic ... syndrome (Casts ... proteinuria (may be nephrotic ... Leukocyturia • Vasculitic ... GlomeruloNephritis #nephrology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... • Sepsis • Blood ... Small-vessel vasculitis ... Interstitial nephritis ... /phimosis #Diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... • Interstitial nephritis ... #nephrology #causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... polyangiitis, Microscopic ... (IgA-associated ... sclerosis • Anti-Glomerular ... #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... pulmonary and renal ... PR3-ANCA): • Microscopic ... tract, and often causes ... - Skin, glomeruli
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... Goodpasture's cause ... reveals increasing blood ... , RBC casts, low ... hypercellular glomeruli