What are the various reasons for which blood tests are performed?

Blood test is an important laboratory analysis that is performed to detect different medical issues. The different blood tests are performed to identify the existence of various ailments of the body. The different tests also help in determining the pathogens in the body.

Blood draw service is basically performed for following reasons- 

 

• To detect any health problem- Whenever a person is suffering from bad health, he/she goes to the doctor. In most of the cases, the doctor before starting the diagnosis takes the patient’s blood sample to check it. The different blood tests are performed to detect any type of health issue. It is always advisable to have regular blood tests to detect risk factors and symptoms to prevent serious complications such as high level of cholesterol, heart attack or stroke or different cardiovascular diseases.
• To detect the main cause of sickness- Blood tests are commonly performed to detect the main cause of patient’s sickness. For example- the glucose test is performed to identify the blood glucose level in a patient’s body.

The doctors prescribe blood tests only if they notice that an individual is suffering for certain kind of disease.

• To detect any blood related problem- These tests are also performed to get information about the different body fluids in the body. It includes red blood cell counts, white blood cell counts, hemoglobin level, and platelets level in the body. Moreover, with the help of blood tests, one can also determine the blood group or type. Some of the tests also help to detect different types of disorders such as leukemia and anemia.
• To detect some existing problem- Doctors prescribe different blood tests on a regular basis to be sure about the patient’s health. Through regular tests, it becomes easy for the doctors to prescribe the necessary medications accordingly.

Doctors usually prescribe blood tests if they find anything that you need to worry about. Apart from the aforementioned reasons, these tests are performed to detect possibility of any infection in the body. Illness such as diabetes and those related to thyroid glands can also be looked at. Sometimes there are abnormalities that are caused from the lack of excess of chemicals, hormones etc that can be revealed through blood tests.