What is a Blood test ?

The main aim of blood tests are to aid doctors to check for certain diseases. It can also be used to check the functioning of your organs including the Heart, liver and Kidneys. Blood tests can also help to determine the general wellbeing of patients by ruling out lifestyle related medical conditions like Diabetes Mellitus, Hyperlipidemia (elevated cholesterol) and anemia.

The procedure involves collecting a small sample of blood from your body. It is usually drawn from a vein in your arm using a needle. The procedure is quick and relatively painless.

The most common blood tests done are:

Full Blood Count Tests: This is the most commonly performed test and it can be used to help rule out medical conditions that cause an abnormal blood count including anemia, the presence of an infection and some kinds of cancer.

Kidney Test- Renal Profile: These tests help in determining how well your kidneys are functioning.This profile will include Blood Urea Nitrogen and Creatinine which is a by-product of protein metabolism and is eliminated through the kidneys. This shows us how well your kidneys are functioning and alerts the doctor if there is any kidney failure.

Liver function Tests: This is an extensive profile that tests for vast number of functions the liver performs. These tests can help determine the general state of nutrition of the body and the ability to produce antibodies to infections by the body. The bilirubin levels can help to rule out the presence of Jaundice and the liver enzymes can help to access liver damage and help to rule out cirrhosis and liver failure.

Heart Test- Cardia Markers: Tests including troponin and CKMB can help rule out the diagnosis of Heart attack following chest pain.

Cholesterol Test-Lipid Profile: This is a group of simple blood tests that reveal important information about the types, amount and distribution of the various types of fats (lipids) in the bloodstream. Includes Total Cholesterol, HDL (good) Cholesterol, LDL (bad) Cholesterol, Risk Ratio (good to total), and Triglycerides. Too much cholesterol in the blood is a major cause of heart disease and blood vessel disease.

Blood Glucose Test: This relatively simple routine test can help to rule out Diabetes which can lead to serious complications if untreated.

The non-fasting test, also known as HbA1c, indicates how well you have controlled your diabetes over the last few months. Even though you may have some very high or very low blood glucose values, Hemoglobin A1C will give you a picture of the average amount of glucose in your blood over that time period.

S.T.D. Test: This test will check the blood for various sexually transmitted diseases (results are quick and confidential)