PRELIMINARY DIAGNOSTIC SYSTEM

A preliminary diagnostic system (1) comprising a reading station (2) and at least one card (3) comprising an integrated circuit (4) and adapted to be read by the reading station (2), the integrated circuit (4) of the card (3) comprising a hydraulic circuit (10) and a detection circuit (20), the card (3) containing a reagent which is adapted to react to the presence of a marker of a disease, the hydraulic circuit (10) being adapted to receive a sample of a biological liquid and to introduce the reagent in the sample, the detection circuit (20) being adapted to detect the presence of the marker in the sample, the absence of the marker of the disease indicating the absence of the disease in the sample.