Peripheral blood smear: Difference between revisions
Jump to navigation
Jump to search
→Red blood cells: Platelets |
→Platelets: Clumping |
||
| Line 22: | Line 22: | ||
===Platelets=== | ===Platelets=== | ||
If CBC is performed, use count to determine whether platelets are "normal in number" or whether there is "thrombocytopenia" or "thrombocytosis". If no CBC, count platelets within a high power oil immersed field, which should normally be 8 to 20. | If CBC is performed, use count to determine whether platelets are "normal in number" or whether there is "thrombocytopenia" or "thrombocytosis". If no CBC, count platelets within a high power oil immersed field, which should normally be 8 to 20. | ||
In '''thrombocytopenia''', look in particular for clumping of platelets. If present, check with the lab if it was sent in EDTA (which may cause artefactual clumping) and ask to have a blood sample sent in sodium citrate instead. | |||
{{Bottom}} | {{Bottom}} | ||