PT measures factors I (Fibrinogen), II (Prothrombin), V (Proaccelerin), VII (Proconvertin), and X (StuartâPrower Factor). It is used in conjunction with the activated partial thromboplastin time (aPTT) which measures the intrinsic pathway and common pathway.
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- The oil vaporizer pen, which is also called an oil pen or oil vape pen. This type of vaporizer is made to hold liquid oils, such as essential oils made from botanical herbs, and electronic cigarette fluid, called e juice or e liquid. E juice oils are offered in many different flavors.