Positive and negative controls are in wells 1 and 2. Agglutination is evident in well 1 but not 2, indicating correct functioning of the test. Two canine patient samples are being tested concurrently. The first patient plasma is in wells 3 (1:2 dilution) and 4 (1:8 dilution), the second in wells 5 (1:2 dilution) and 6 (1:8 dilution). Agglutination is only observed in well 3. This is compatible with a positive plasma FDP result of 5-20 µg/ml for patient 1 and a negative plasma FDP result (< 5 µg/ml) for patient 2.
