12 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
basement membrane disease ... : • Flank pain ... : - RBC casts ... of glomerular disease ... #urology #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... protein indicating acute ... - Some crystals ... key #diagnosis #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Kidney Injury ( ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, ... casts, crystals
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... and chronic kidney ... diseases • Fatty ... glomerulonephritis • WBC ... #Urine #Microscopy
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
proteinuria as a disease ... Microscopic exam ... • Crystals ... Acute Kidney Injury ... #hematuria
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... - Urinalysis/microscopy ... UOP/weights - Urine ... - Pre-renal disease ... AcuteKidneyInjury #AKI #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Disease Associations ... and concentrated urine ... are seen in acute ... broad - Advanced kidney ... #Differential #Microscopy
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... : UA, Urine protein ... Goodpasture's cause ... , RBC casts, low ... differential #diagnosis #management
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... Torsemide) • Acute ... stones caused by ... Ca2+ crystals ... Excretion #Diuresis #Nephrology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... Culture (+): Acute ... Leukocytosis, anemia ... , and hematuria, ... Endocarditis #diagnosis #management