Figure 6From: Respiratory maneuvers in echocardiography: a review of clinical applications Constrictive pericarditis. A (left): respiratory variations of transmitral Doppler inflow: a decrease of peak flow velocity with > 25% (from 2.1 to 1.5 m/s) during inspiration. B (right): respiratory variations of tricuspid inflow (increased flow velocity during inspiration from 1.6 to 1.9 m/s).Back to article page