Factor deficiency or inhibition. The possible causes of the isolated prolonged aPTT in this case include factor deficiencies and factor inhibitors. Prolongation of both the PT and aPTT suggests ...

Thirteen patients with liver disease and an abnormal prothrombin time refractory to vitamin K therapy were studied (Tables 1 and 2). None of the patients were actively bleeding, and none had received ...

WAYNE, Pa.--(BUSINESS WIRE)--The PT and APTT are important screening tests used in laboratory evaluation of patients suspected to have disorders of blood coagulation, including the presence of ...

The aim of this study was to investigate the plasma coagulation factor VII activity and its correlates in healthy Australian men. There is no one ideal method to accurately estimate the dietary intake ...

Coagulation studies help you understand blood disorders, so you can pursue treatment options to improve your blood’s ability to form clots. Blood coagulation, or blood clotting, is a process in which ...

Patients with coronavirus disease 2019 (Covid-19) have a profound hypercoagulable state, and complicating venous thrombotic events are common. 1-3 Abnormalities in coagulation screening measures, ...

Here’s the routine when you get a cut: apply some pressure, the bleeding stops, slap on a bandage if you need one. Seems easy enough from the outside. But inside your body, even a little nick from ...

Clotting is what prevents excessive bleeding when you cut yourself. But the blood moving through your vessels shouldn’t clot. If such clots form, they can travel through your bloodstream to your heart ...

A 30-year-old woman with a history of systemic lupus erythematosus presented to the emergency department with a 24-hour history of headache and altered mental status. Her medical history included ...