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THE PURSER WELLNESS REFERENCE

Understand your lab vocabulary.

Compare Dr. Purser’s adult ranges with your own report. Units, symptoms and health history matter when you discuss a result with your clinician.

6 entries

Coagulation and Thrombosis Markers

Activated partial thromboplastin time (aPTT) — lab reference

Reagent-specific. Heparin monitoring may use different targets or anti-Xa.

Coagulation and Thrombosis Markers

D-dimer — lab reference

Age-adjusted and assay-specific diagnostic strategies may apply. Not a stand-alone thrombosis diagnosis.

Coagulation and Thrombosis Markers

Fibrinogen — lab reference

Acute-phase reactant; functional and antigenic assays differ.

Coagulation and Thrombosis Markers

INR — lab reference

Normal range only. Warfarin therapeutic targets are indication-specific.

Coagulation and Thrombosis Markers

Prothrombin time (PT) — lab reference

Reagent-specific. Ask your clinician to read this result with INR, liver function, vitamin K, and anticoagulants.

Coagulation and Thrombosis Markers

Thrombin time — lab reference

Reagent-specific; affected by heparin, direct thrombin inhibitors, and fibrinogen abnormalities.

Use these pages to learn what a term means and what to ask next. Your clinician can help you decide what your own results mean.