There is provided an assembly for hands-free ultrasonic monitoring and imaging via a suprasternal notch of a target individual, comprising: a cradle comprising: a lower portion having a surface shaped according to a surface of an anatomical region including a suprasternal notch of sample individual(s), and a holding portion connected to the lower portion, the holding portion shaped to fit a housing component, the holding portion including at least one elongated slot elongated at a predefined angle relative to the surface of the lower portion, and a housing component comprising: an ultrasound transducer, a multi-directional mechanism for adjusting the position of the ultrasound transducer within the housing component along at least two degrees of freedom, and a securing mechanism set at a location within housing component for engaging the at least one elongated slot of the cradle when housing component is fitted within the holding portion of the cradle.