Abstract: Systems and methods for generating annotations associated with medical imaging data are disclosed. A method described herein includes receiving volumetric medical imaging data including a structure, displaying a first node of a branching annotation on top of the medical imaging data responsive to input from a user, and extending the branching annotation through the structure by displaying a continuous path between the first node and at least a second node of the branching annotation.

Abstract: A method for analyzing a digestive tract of a patient using ultrasound. The method includes receiving a plurality of ultrasound images taken over a time series, determining movement characteristics of objects within the ultrasound images based on movement of one or more pixels in the ultrasound images over the time series, and outputting a visual data that describes the movement characteristics.