27 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
• 1ml blood/liter ... deposits - Post-infectious ... microscopic and ... Hematuria: • Infection ... #blood
Diagnostic Criteria for Scleroderma Renal Crisis 

1. New onset blood pressure >150/85 mm Hg OR increase
Microangiopathic hemolytic anemia ... examination - Microscopic ... hematuria on urine ... cells on urine ... microscopy -
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... also be seen if urine ... - Renal infection ... Urinary tract infection ... #Microscopy #Atlas
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... surrounding white blood ... cells); B: light ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Blood (hemoglobin ... Microscopic exam ... and parasites (infections ... • Red blood cells ... : • White blood
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
skin that are caused ... petechiae) • Frequent infections ... • Parvovirus infection ... abnormal under the microscope ... abnormal under a microscope
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
• Peripheral blood ... History • Bite cells ... Deficiency • Sickle cells ... Fevers, DAT (-) → Infection ... Diagnosis #Algorithm #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Algorithm Red blood ... cells on urine ... microscopy. ... with polyangiitis/microscopic ... glomerulonephritis • Post-Infectious
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... disease Red blood ... Glomerulonephritis White blood ... Urinary tract infections ... #Differential #Microscopy
Urine Microscopy - Urinary Sediment Examination Instructions
Preparation of the urine for microscopic examination:
 • Clean catch
Urine Microscopy ... presence of protein, blood ... stain taken up by cells ... or casts and will ... protein matrix of casts