A patient with a coagulation disorder is found to have elevated levels of D-dimer, which indicates what type of coagulation abnormality?

A Fibrinolysis inhibition
B Coagulation factor deficiency
C Fibrin formation abnormality
D Secondary fibrinolysis activation ✓

Explanation

Elevated levels of D-dimer indicate secondary fibrinolysis activation, which occurs when there is excessive clot formation and subsequent breakdown of fibrin.

Source

Hematology: Clinical Principles and Applications
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high