Activated Partial Thromboplastin Time (APTT)

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    blood sample




    Age group

    Above 10 years

    The activated partial thromboplastin time (APTT) is also known as Partial thromboplastin time. This test helps to detect bleeding disorders or the cause of blood clots. It also helps to diagnose recurrent miscarriages and antiphospholipid syndrome. It helps to monitor ongoing heparin anticoagulant therapy. The activated partial thromboplastin time (APTT) is done: • In case of unexplained bleeding • In case of inappropriate blood clotting • In case of recurrent miscarriages • Prior to surgery in case one is taking heparin anticoagulant therapy

    faqFrequently Asked Questions (FAQs)

    Frequently asked questions

    To take the blood sample, a tourniquet (elastic) band is placed tightly on the upper arm. The patient is asked to make a fist. This helps in the buildup of blood filling the veins and it becomes easy to collect the blood. The skin is cleaned before inserting the needle in the vein in order to prevent bacteria from entering. The needle is then inserted into the vein in the arm and the blood sample is collected in the vacutainer.
    Disseminated intravascular coagulation (DIC) is a condition in w hich there is activation of the clotting factors. These factors are then used up throughout the body. Due to this, numerous tiny blood clots are formed. The affected person falls at risk of excessive bleeding. It can be a life-threatening condition that can occur due to sepsis, surgical procedures, poisonous snake bites, liver disease, and after childbirth.
    APTT is also known as activated partial thromboplastin time. It is also known as partial thromboplastin time. It helps to evaluate the clotting ability of a person’s body. It measures the time taken by the blood to clot in a sample of blood. It also assesses the amount and function of proteins in the blood.
    Other tests that can be advised along with the APTT test include Platelet count, Thrombin time testing, Fibrinogen testing, Coagulation factor tests, or von Willebrand factor test.
    The factors that can affect the results of the APTT test include high hematocrit levels, heparin contamination, medicines such as antihistamines, aspirin, chlorpromazine, and Vitamin C.

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    The information mentioned above is meant for educational purposes only and should not be taken as a substitute to your Physician’s advice. It is highly recommended that the customer consults with a qualified healthcare professional to interpret test results

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