311 results
Several artifacts can cause significant and potentially misleading alterations to measured RBC parameters: 
1. Old samples
#Schistocytes #Pyknocytes ... Elliptocytes #Ovalocytes #Echinocytes ... #BurrCells #Bite
Localized skin infections and associations: Cellulitis, Bite wounds, Ulcers, Nodules, Eschars 

#SSTIs
#associations
#SkinInfections
#cellulitis
#ulcer
#eschar
#bites
#nodules
#differential
#diagnosis
#infectiousdisease
associations: Cellulitis, Bite ... ulcer #eschar #bites
Alpha-gal Syndrome (AGS) - Diagnosis Algorithm
Does patient have recurrent episodes of urticaria, angioedema or isolated GI
- Known tick bites ... irritation at site ... of tick bite
Morphologic Findings in Red Blood Cells
Basophilic stippling - Small blue dots in red cells, due to
Heinz bodies (Bite ... Bite cells: sharp ... bite-like defects ... erythrocytes Echinocytes
The arrows point to blister cells. These cells are thought to be precursors of helmet cells.
acanthocyte and an echinocyte
Illustrative examples of culture-confirmed erythema migrans. A, A single erythema migrans lesion of 8.5 × 5.0
punctum (presumed site ... preceding tick bite
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
2 burr cells (echinocytes
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
14 days at the site ... of Ixodes bite
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Differential → schizocytes