Customer question:
How does a thorough blood test work? Anonymous customer's question
Pharmacist's answer:
A thorough blood test, complete blood count (CBC), or a hematology test is a standard diagnostic procedure to assess the number and shape of different types of blood cells. This test can often help detect anemia, infections, leukemia, blood clotting disorders, etc.
Usually, blood is drawn from a vein inside the elbow. This is usually done using a thin needle and vacuum tubes to collect the blood. The sampled blood is then processed to separate the various components, such as red blood cells, white blood cells, platelets, and blood plasma. A hematological analysis also assesses the number of red blood cells, white blood cells, and platelets in the blood.
Microscopy can be used to assess the shape and size of blood cells. This is especially important in identifying abnormalities such as anemias or leukemias. Hemoglobin is a protein in red blood cells that carries oxygen. Hematocrit measures the percentage of blood occupied by red blood cells. These measurements are vital for assessing the health of blood cells.
The results of a complete blood count can be crucial in making diagnoses and monitoring the course of treatment for various diseases. If the results show deviations from expected values, the doctor may order further tests for a more accurate diagnosis and treatment plan.
Interesting reading: Acute leukemia
Interesting reading: Leukocytes
