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Hematology Department

The word “Hema” means blood and “ology” means science, hence the word Hematology means the study of blood cells. Hematology is interested in the production, life span, and destruction of cells in the blood sample.


We are interested in white blood cells or leukocytes, red blood cells or erythrocytes and platelets. Technology is used to study these types of cells contained in a complete blood count. The Complete Blood Count allows the physician to diagnose and monitor infection, anemia, leukemia as well as monitoring blood loss or decreased production of the various cells required by the body.


Hematology at RVH utilizes an automated cell counter. The purpose of the instrument is to identify patient samples with normal parameters from patients with abnormal samples requiring additional studies. These studies may include further measurement of cell size, platelet distribution, manual white blood cells differential or any other definitive tests that assists the physician in diagnosing the patient’s condition.


The Hematology department also performs cell counts on other body fluid samples such spinal fluid, pleural and synovial fluids. The physician is interested in the presence and number of red and white cells. 


Coagulation testing, a sub-specialty in Hematology, studies the “factors” in the patient’s plasma which are responsible for the clotting of blood. The physician is interested in these results when monitoring anticoagulant therapy (such as Coumadin or Heparin).


Coagulation samples must be analyzed within 4 hours of collection for accuracy and sample integrity. These tests are also a useful screening test to indicate deficiencies that may result from secondary causes like Vitamin K deficiency, liver disease, Hemophilia, Disseminated Intravasular Coagulation, Deep Vein Thrombosis, Pulmonary Embolism or hereditary coagulation disorders.


If you are a hematology clinic patient please call: 705-728-9090 Ext. 23200 

To reach the Hematology Laboratory Department please call: 705-728-9090 Ext. 43232