TNNI3 and cardiovascular disorder: Therefore, the integrated device enables rapid (5 min) analysis of four cardiovascular disease biomarkers from clinical samples (∼ 4 μL), and the detection limits for CRP, NT‐proBNP, cTnI, and fibrinogen are 1.4 × 10−7 g mL−1, 8.32 × 10−13 g mL−1, 3.94 × 10−13 g mL−1 and 2.02 × 10−4 g mL−1, respectively.