14 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... tubular cells - Acute ... also be seen if urine ... protein indicating acute ... #Microscopy #Atlas
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... WBCs, or urine ... proteinuria, RBC casts ... and referral to Urology ... Algorithm #Workup #urology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... heme-granular casts ... are seen in acute ... #Differential #Microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... pain + gross or microscopic ... hematuria: - RBC casts ... Diagnosis #causes #urology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Urinary casts ... Acute Kidney Injury ... Acute Tubular Necrosis ... #UNa #casts #glucosuria
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... dipstick, urine ... microscopy / urinary ... , HIV serology, ... cardiac imaging #Acute
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, casts
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
Approach to Microscopic ... associated with urologic ... RBC's, cellular casts ... properly collected urine ... diagnosis #management #urology
Acute Rheumatic Fever with Erythema Marginatum - Painless, nonpruritic, red annular macules appeared on the upper
Acute Rheumatic ... upper limbs and abdomen ... ErythemaMarginatum #Microscopy ... #NEJM