What are the Diagnostic Blood Tests?
A blood test is one of the most common tests healthcare providers use to check your overall health or help diagnose medical conditions. You may have a Diagnostic Blood Test as part of a routine physical examination or because you have certain symptoms.
What are blood tests?
Blood tests are common medical tests. There are numerous different Diagnostic blood tests. Some tests focus on your blood cells and platelets. Some estimate substances in your blood, such as electrolytes, proteins, and hormones. Others measure certain minerals in your blood.
How to give Blood Test in fasting?
How much blood is taken during Diagnostic Blood Tests?
That depends on the kind of blood test. On average, a complete blood count( CBC) test may take as much as 30 milliliters( mL) of blood. It may sound like a lot of blood, particularly if you’re watching your blood flow into several sample tubes. But it’s not — the average grown-up has 4,500 to 5,700 milliliters of blood in their body.
When would I need to have a blood test?
- Your blood plays a big part in your overall health and contains a lot of information about what may be going on in your body. That’s one reason why blood tests are a common medical test. A healthcare provider may do a blood test because
- it’s time for your regular physical. During a scan, your provider may order blood tests to check on your overall health. They may order a blood test that evaluates numerous areas of your blood, similar to a complete blood count (CBC), an introductory metabolic panel (BMP), or a comprehensive metabolic panel.
- You don’t feel well. However, your provider may order blood tests to determine what’s causing them if you have specific symptoms. For example, if you have symptoms that may be signs you’re pregnant, your provider will do a gestational test. The blood test looks for a specific hormone that your body only makes when you’re pregnant.
- You have a medical condition that happens when certain genes change( mutate). Depending on your situation, your blood cells and platelets may show information about the specific changes. Understanding which genes changed may help your provider plan your treatment.
- You’re entering treatment for a medical condition. Your provider may use regular blood tests to see if treatment is working.
- You may have inherited certain inheritable mutations that produce medical conditions. Your provider may take blood samples for inherited disease analysis, so you’ll know if you’re at risk of developing a specific condition.
What do blood tests show?
The tests show if your blood is working as it should. For illustration, your red blood cells carry oxygen throughout your body. A blood test may show you have low red blood cell counts (anemia). Still, they may see that your red blood cells are larger than normal or structured differently than normal red blood cells if healthcare providers look at your cells under a microscope.
What are the most common blood tests?
There are numerous different blood tests. Some tests, such as complete blood count tests, introductory metabolic panels, complete metabolic panels, and electrolyte panels, check on several different rudiments in your blood at the same time.
What does a complete blood count (CBC) test show?
This is the most common blood test. CBC tests Count and measure your red blood cells, white blood cells, and platelets. A CBC test includes a hematocrit test that measures the chance of having red blood cells in your blood. Measure your hemoglobin levels. Measure variations in your red blood cells’ size and volume. Measure the average size of your red blood cells with a mean corpuscular volume( MCV) test.
What does a basic metabolic panel show?
An introductory metabolic panel( BMP) measures several substances in your blood. Healthcare providers use BMPs to estimate your overall health and screen for or cover health issues.
What should I do to prepare for my blood test?
That depends on the kind of test you’re having. For illustration, some blood tests require you to fast for several hours before the test. You may be asked not to drink any liquids except a lot of water. Most blood tests don’t require fasting, but it’s a good idea to ask your healthcare provider what to avoid before your blood test.
Still, try to drink as much water as you can before your test if you don’t need to fast before your blood test and you’re able to drink water. you can before your test. Being well-hydrated may make it easier for healthcare providers to obtain blood.
What is the first step in a blood test?
Collecting blood. Depending on the facility where you have your blood drawn, a doctor, nurse, phlebotomist, other laboratorian, or another medical professional will draw your blood.
Labeling the blood sample Once the blood is drawn, the tube is labeled.
- Testing (automated)
What happens after my blood test?
Your lab professional will put a bandage on the spot where the needle went in. Depending on the blood test, they may recommend you rest for a minute or so before standing up and leaving.
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