It transforms CARDIOGIMA 12M in a 2 in 1 system: ECG-SPIROMETER Spirometry measuring values: - FVC: FEV 1.0, FEV 1/FVC, FEV 0.2-1.2L, FIVC, FEV 25-75, FEV 75-85%,PEF, FEF 200-1200 ml, FEF 25%, FEF 50%, FEF 75%, FIF 50%, PIF, FET 100%, FIVC - SVC: SVC, ERV, IRV, TV,EC, IC, BC - MVV: RR, TV, MVV Pre and post bronchodilator comparison. Presentation: flow volume loop, flow time plot, measurement values table. Complies with ATS standard.