A device for monitoring the heart of a patient including a housing, a computing device, an optical sensor adapted to provide signals to the computing device indicative of a distance from the optical sensor to a vessel carrying blood, as well a diameter of the vessel, a Doppler sensor adapted to provide signals to the computing device indicative of a velocity of the blood through the vessel, and an ECG sensor adapted to provide signals to the computing device indicative of a plurality of electrical stimuli that cause the heart to pump. The computing device uses signals from the optical sensor, the Doppler sensor, and the ECG sensor to compute parameters including oxygen saturation of the blood, blood flow, blood pressure, heart rate, and cardiac output.健康状態を監視するためのシステムおよび方法を開示する。システムは、患者管理アプリケーション、データ記憶部、および監視装置を含む。監視装置は、光センサー、ドップラーセンサー、ならびに血液の酸素飽和度、血流量、血圧、心拍数、および心拍出量を含む健康のパラメータ値を提供するように構成された算出装置を含む。
