Cardio-pulmonary exercise tests Breadcrumb Home cardio pulmonary exercise tests Products Vyntus ONE Pulmonary Function Testing Vyntus ONE offers complete pulmonary function testing such as spirometry, DLCO, nitrogen washout lung volumes, LCI and MIP/MEP. Show product info Vyntus WALK Make the six-minute walk test truly mobile Show product info Tango M2 The Tango M2 Stress Test Monitor gives you the confidence to know that patient movement, mechanical vibration and observer variability won’t interfere with an accurate reading. Show product info