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When Should You Get Blood Clotting Tests?
Published: Dec 02, 2023
Blood clotting tests are powerful tools in a doctor's arsenal, but they're not needed for everyone all the time. Understanding when these tests are recommended can help you take charge of your health and have informed discussions with your healthcare provider.
Preoperative Screening
One common reason for clotting tests is before surgery. Your doctor may order these tests to assess your risk of excessive bleeding during the procedure. This is especially important if you have a family history of bleeding disorders or are taking certain medications. However, routine testing for all patients before low-risk surgeries is no longer recommended.
Monitoring Anticoagulant Therapy
If you're taking blood thinners like warfarin, regular clotting tests are crucial. These tests help your doctor adjust your medication dose to ensure it's working effectively without putting you at risk for bleeding. The frequency of testing can vary, but it's often more frequent when you first start the medication.
Diagnosing Unexplained Bleeding or Clotting
If you experience unexplained bruising, frequent nosebleeds, or prolonged bleeding after minor injuries, your doctor may recommend clotting tests. Similarly, if you develop a blood clot without an obvious cause, these tests can help identify underlying disorders. In some cases, your doctor may also order genetic tests to check for inherited clotting disorders.
Monitoring Certain Health Conditions
Some health conditions can affect your body's clotting ability. If you have liver disease, cancer, or are critically ill, your doctor may use clotting tests to monitor your condition. These tests can also be important during pregnancy, especially if you have a history of clotting disorders or complications in previous pregnancies.
Frequently Asked Questions
Generally no, unless you have specific risk factors.
It varies, but often weekly at first, then less frequently over time.
Certain foods can interact with blood thinners, potentially affecting test frequency.
Some are, but always consult your doctor before using them.
Personalized Care
The need for clotting tests varies from person to person, based on individual health factors and risks.
References
- Segal JB, Dzik WH; Transfusion Medicine/Hemostasis Clinical Trials Network. Paucity of studies to support that abnormal coagulation test results predict bleeding in the setting of invasive procedures: an evidence-based review. Transfusion 2005; 45:1413.
- Kearon C, Akl EA, Ornelas J, et al. Antithrombotic Therapy for VTE Disease: CHEST Guideline and Expert Panel Report. Chest 2016; 149:315.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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