A system may include an ultrasound probe and a controller unit configured to communicate with the ultrasound probe. The controller unit may be further configured to select an aiming mode for the ultrasound probe； select a first aiming mode plane, scanning mode, or imaging mode； select at least one additional aiming mode plane, scanning mode, or imaging mode； toggle between obtaining and displaying ultrasound images associated with the first aiming mode plane, scanning mode, or imaging mode and obtaining and displaying ultrasound images associated with the at least one additional aiming mode plane, scanning mode, or imaging mode； receive a selection of a three-dimensional (3D) scan mode； and perform a 3D scan using the ultrasound probe, in response to receiving the selection of the 3D scan mode.
