why do they do blood work before surgery
If youвre going to have surgery, you may have blood and urine tests first. These tests may be helpful if you have certain health conditions or diseases. For example, if you have a blood-clotting problem, a test can show if youвre at risk of too much bleeding during surgery. But most healthy people donвt need the tests, especially before low-risk surgery. Hereвs why:
The tests usually arenвt helpful for low-risk surgery. Many healthy people have routine lab tests before surgery. In these cases, test results rarely change their surgery or make it safer. The tests are especially unnecessary before low risk surgeryвsuch as eye, hernia, or skin surgery, or a breast biopsy. In these and many other surgeries, the risk of complications is very low. The lab tests can lead to more tests. Blood and urine tests are very safe, but they can cause false alarms.
This can lead to anxiety and more tests. And it can needlessly delay your surgery. For example, one test may be followed up with a repeat test, an ultrasound, a biopsy, or a test that exposes you to radiation, such as an X-ray or CT scan. The costs can add up. Your health plan may not pay for the tests if you do not have a specific medical need for them. If this happens, you may need to pay for them. It costs about $137 for a routine set of lab tests before surgery, according to HealthcareBlueBook. com. Some people get the tests again before surgery, even though they have had recent tests. This is not usually necessary, and may mean that you pay twice. When are the lab tests a good idea? If you have certain health conditions or diseases, or your medical history shows the need, the tests may give your doctor helpful information.
For example: If you have a health problem that affects bleeding, you may need a blood test to find out if your blood clots normally. You may need this blood test if you bruise easily, use a blood-thinning medicine, had bleeding problems in an earlier surgery or dental procedure, or have a family history of bleeding problems. If you have a disease such as diabetes, you will probably need to have a test to make sure it is under control. Women of childbearing age may need a pregnancy test. You may also need the tests before a major operation such as heart, lung, or brain surgery. Based on the test results, your doctor may watch your condition more closely during or after your surgery. You may need to delay the surgery until a problem is under control. Or your doctor may change the procedures and anesthesia.
This report is for you to use when talking with your health-care provider. It is not a substitute for medical advice and treatment. В Use of this report is at your own risk. В 2013 Consumer Reports. Developed in cooperation with the American Society for Clinical Pathology. To learn more about the sources used in this report and terms and conditions of use, visit. Before surgery, your surgeon may also ask you to see your regular doctor for an exam and possibly for tests. A surgeon may ask this to make sure that surgery is not likely to be too hard on you. The tests may include:. clotting tests. You may also be scheduled for other tests, such as or an, if your surgeon thinks they are needed before your surgery. Your surgeon may include other doctors in your care, depending on your other medical conditions.
For example, if you have problems, your surgeon may discuss your care with a. If you have many medical problems, your regular doctor may do your before surgery. To help make sure that no problems are missed, you may find it helpful to have a doctor who knows you well do this exam and your medical history. If you will need blood during your surgery, you may wish to donate your own blood. This has to be done several weeks before your surgery. Many hospitals or surgery centers have a nurse who will meet with you or call you at home a few days before your surgery. This nurse makes sure all your forms and tests are complete before your scheduled surgery. The nurse also: Makes sure the date and time of your surgery are correct. Talks about when you should stop eating and drinking before surgery.
Answers any questions you may have. Before your surgery, your surgeon or nurse will remind you to do the following: Bring any X-rays or other tests that you may have. Follow the instructions exactly about when to stop eating and drinking. If your doctor has told you to take medicines on the day of surgery, do so using only a sip of water. Do not use or other for 1 week before your surgery. Leave all valuables, such as money and jewelry, at home. Bring what you will need after surgery, such as your inhaler if you have or a cane if you use one. Also bring your information. If you are having same-day surgery, arrange for someone to take you home. And make sure you have someone stay with you for the first 24 hours. Shower the morning of surgery, but don't use any perfumes, colognes, or. Remove all nail polish and body jewelry, such as.
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