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 ...

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 ...

Recently, another modified one-stage method, developed by Owren, 7 has been given the distinctive name of thrombotest. Claims have been made that this test is more satisfactory for controlling ...

Do patients with renal disease have inherent coagulopathy? What prothrombin time (PT)/partial thromboplastin time (PTT) values can be expected with end-stage renal disease (ESRD)? —OMEL FIGUEROA, PA-C ...

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 ...