A device is provided for automatically assessing functional hemodynamic properties of a patient is provided, the device comprising: a housing； an ultrasound unit coupled to the housing and adapted for adducing ultrasonic waves into the patient at a vessel； a detector adapted to sense signals obtained as a result of adducing ultrasonic waves into the patient at the vessel and to record the； and a processor adapted for receiving the recorded signals as data and transforming the data for output at an interface. Other devices, systems, methods, and/or computer-readable media may be provided in relation to assessing functional hemodynamics of a patient.
