Patients' blood pressure, electrocardiogram, pulse oxygen saturation were Monitored during operation.
Assess client's respiratory status, including character and rate of respirations, oxygen saturation, ability to breathe lying flat, and chest X-ray report.
When the cardiovascular pulsation is weak even under cardiopulmonary bypass (CPB), pulse oxygen saturation at finger tip cannot be detected, but tissue oxygenation still can be monitored by NIRS.
