Cold Agglutination
This is a disorder in which RBCs – in their own serum or in other serum – clump together (agglutinate) in response to slight cooling (below 86° F it’s <30c). The clumping ...
Types of Anemia
The following are some of the most common anemias. They are arbitrarily grouped according to RBC color and size; other sources may group them in different ways.
1. Anemia Due to Bleeding: ...
Blood sample hemolysis
this is usually caused by a procedural error such as using too small of a needle, or pulling back to hard on the plunger of a syringe used for collecting the sample. The red cells ...
Antistreptolysin O titer
What is Anti-streptolysin O ?
Anti-streptolysin O (ASO or ASLO) is the antibody made against streptolysin O, an immunogenic, oxygen-labile hemolytic toxin produced by most strains ...
Staphylococcus – Hemolysis
Some bacteria produce hemolysins, exotoxins that cause red blood cells (RBC’s) to burst open (hemolyse).When these bacteria are cultured on blood agar, this hemolysis is visible ...
Staphylococcus aureus
– gram positive cocci
– nonmotile
– Catalase: positive
– Oxidase: negative
– facultative anaerobic
– grape-like clusters under microscope
– ...
Different types of bacterial hemolysis on blood agar
Different types of bacterial hemolysis on blood agar :
Staphylococcus – Hemolysis.
A=Beta Hemolysis B=Alpha Hemolysis C=Gamma Hemolysis

