TXInitiate slow tilt upC2XConclude slow tilt uprXInitiate slow tilt down0XConclude slow tilt downGbXInitiate rapid tilt upBZConclude rapid tilt up/XMovement artifactsXInitiate rapid tilt downqZConclude rapid tilt downXXStand up$[2Lost ECG signal due to poor electrode-skin contacLXTransition back to supineXXStand upPXTransition back to supine XInitiate slow tilt up22XConclude slow tilt upgXInitiate slow tilt down0XConclude slow tilt down@XInitiate rapid tilt upYConclude rapid tilt upaXInitiate rapid tilt down ZConclude rapid tilt down