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Activated Partial Thromboplastin Time near me in Dehradun
Also known as Partial Thromboplastin Time
You need to provide
Blood
This test is for
Male, Female
Test Preparation
Understanding Activated Partial Thromboplastin Time in Dehradun
What is Activated Partial Thromboplastin Time in Dehradun?
The Activated Partial Thromboplastin Time (aPTT) also known as partial thromboplastin time (PTT) is a screening test that helps evaluate a person’s ability to form blood clots appropriately.
This test is performed to detect bleeding and clotting disorders and to monitor the treatment with blood-thinning medicines. In case of unexplained bleeding, inappropriate blood clotting, or recurrent miscarriages and sometimes before a scheduled surgery aPTT test is performed. This test is usually performed with other tests like prothrombin time and thrombin time to measure the clotting time accurately.
Values greater than normal, could be due to bleeding disorder or liver disease. Values less than normal indicate that you may have a higher chance of getting blood clots and several miscarriages.
Answers to Patient Concerns & Frequently Asked Questions (FAQs) about Activated Partial Thromboplastin Time in Dehradun
Frequently Asked Questions about Activated Partial Thromboplastin Time in Dehradun
Q. What diseases can affect blood clotting to cause bleeding disorders?
Certain inherited conditions and diseases that can cause bleeding disorders include:
· Hemophilia
· Clotting factor deficiency
· Vitamin K deficiency
· Liver diseases
· Bone marrow disorders
· von Willebrand disease
· Immune system diseases
· Cancers like leukaemia
Q. What are some apparent symptoms of bleeding or clotting disorders?
Visible signs of bleeding or clotting disorders include:
· Unexplained heavy bleeding
· Abnormal menstrual bleeding in women
· Bruising and bleeding easily
· Frequent nosebleeds
· Bleeding gums
· Repeated heart attacks or strokes
Q. Is there any preparation required before the aPTT test?
Inform the doctor of any medications you may be taking as certain medications like antihistamines, warfarin, herbal medicines, etc. can affect the test results. In case of a patient who is receiving heparin therapy by intermittent injection, the sample should be taken 30-60 minutes before the next dose of heparin. Whereas the sample can be drawn at any time in a patient receiving a continuous heparin infusion. No other specific preparations are usually required before the aPTT test.
Q. What factors can affect the aPTT test results?
Certain medications like antihistamines, ascorbic acid, chlorpromazine, heparin, Vitamin K supplements and salicylates may affect the test results. A high temperature can also alter the result.
Q. What additional tests can be prescribed by your doctor in case of abnormal aPTT test result?
Additional tests that may be prescribed in case of abnormal aPTT test result are:
· Platelet Count
· Thrombin Time Test
· Prothrombin Time Test (PT)
· Heparin Neutralization Assay
· Fibrinogen Test
· Coagulation Factor Tests
· von Willebrand Factor Test
· Liver Function Test (LFT)
Q. Is there any risk associated with this test?
There is no risk associated with the test. However, since this test involves a needle prick to withdraw the blood sample, in very rare cases, a patient may experience increased bleeding, hematoma formation (blood collection under the skin), bruising or infection at the site of needle prick.
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