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Ptt Lab Value. Also known as activated partial thromboplastin time aptt is a screening test that helps evaluate a person s ability to appropriately form blood clots. In patients receiving anticoagulant therapy the reference range is 1 5 2 5 times the. The normal range of the aptt is 30 to 40 seconds. Normal results are typically 25 to 35 seconds.
Doctors call this prolonged ptt. Table b 1 hematology 594 table b 2 coagulation studies 595 table b 3 blood chemistry 596 table b 4 endocrine and metabolic values 597. Picmonic is research proven to increase your memory retention and test scores. Also known as activated partial thromboplastin time aptt is a screening test that helps evaluate a person s ability to appropriately form blood clots. The reference value of aptt varies among laboratories due to the chemicals they use to perform the test. If the value exceeds 70 seconds it indicates bleeding disorders.
If your results are above the normal range your blood clots more slowly.
Learn pt ptt lab values lab values physiology picmonic for nursing rn faster and easier with picmonic s unforgettable videos stories and quizzes. There s also an activated ptt aptt test that measures the same thing but they add a substance to your blood to make it clot faster. A typical value for a ptt is 60 to 70 seconds. It measures the number of seconds it takes for a clot to form in a sample of blood after substances reagents are added. Also known as activated partial thromboplastin time aptt is a screening test that helps evaluate a person s ability to appropriately form blood clots. In patients receiving anticoagulant therapy the reference range is 1 5 2 5 times the.