dXStand up?XLoss of ECG signal XECG signal is back}XTransition back to supine^{XInitiate rapid tilt up~YConclude rapid tilt upYLoss of ECG signalXECG signal is backېXInitiate rapid tilt downJYConclude rapid tilt downRXInitiate rapid tilt up~YConclude rapid tilt upXInitiate rapid tilt down;YConclude rapid tilt downxDXInitiate slow tilt up%1XConclude slow tilt upʔXInitiate slow tilt downx0XConclude slow tilt down=XInitiate slow tilt up0XConclude slow tilt upJXInitiate slow tilt downy0XConclude slow tilt downXStand up3XTransition back to supine