Platelet numbers may be rapidly estimated by examination of a stained bloof smear, of quatnifies by manual counting techniques or automated haematology analysers. To estimate the platlet number using a blood smear, the average number of platelets in twn oil-immersion fields should be counted and the mean multiplied by 15. | Platelet numbers may be rapidly estimated by examination of a stained bloof smear, of quatnifies by manual counting techniques or automated haematology analysers. To estimate the platlet number using a blood smear, the average number of platelets in twn oil-immersion fields should be counted and the mean multiplied by 15. |