Medtronic Capnostream 35 Portable Respiratory Monitor. From procedural sedation to general care floor, reliable access to respiratory status is vital to providing comprehensive care. The Capnostream 35 portable respiratory monitor delivers real-time, continuous monitoring of your patients respiratory status by measuring etCO2, SpO2, respiration rate, and pulse rate. The Capnostream 35 monitor is designed for monitoring in virtually any clinical setting. The Capnostream 35 portable respiratory monitor offers you comprehensive respiratory monitoring to help you respond earlier and intervene sooner if your patient is showing signs of respiratory compromise. The monitor provides information to help support clinical decisions and may improve workflow.