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Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
individual’s red blood ... cells (RBCs or ... serum due to the RBCs ... #Smear #Microscopy ... #RBC #Autoagglutination
Red cell autoagglutination is the process whereby red cells clump together forming aggregates. This is seen
individual’s red blood ... cells (RBCs or ... serum due to the RBCs ... #Smear #Microscopy ... #RBC #Autoagglutination
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Urinalysis >3 RBCs ... , or urine nitrites ... (proteinuria, RBC ... RBCs)? ... Nephrology if cause
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood ... cells on urine ... Glomerular (Dysmorphic RBCs ... and/or RBC casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... : 3 or more RBC/ ... : - RBC casts ... - Dysmorphic RBC ... #renal #urine #blood
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
normal peripheral blood ... cells, with a zone ... the size of the RBC ... Clinical #Path #Microscopy ... PeripheralBloodSmear #BloodSmear
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Nitrites. ... Microscopic exam ... • Red blood cells ... (RBC) ... #glucosuria #hematuria
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood ... fetus/newborn the causes ... #Path #Peds #BloodSmear ... #Blood #Smear # ... Nucleated #RBCs
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Leukocyte reduced RBC ... Gamma-irradiated RBC ... Volume Reduced RBC ... • Washed RBC ... RBCs (stored at
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
, proteinuria, hematuria ... Goodpasture's cause ... reveals increasing blood ... or gross hematuria ... , RBC casts, low