A users portable / wearable smart device carries a set of sensors and a set of image capture devices, and is configured for (a) acquiring and processing particular sensed signals generated using the set of sensors, including one or more types of user physiologic / physiologic state signals (b) capturing one or more images of the users environment along one or more smart device spatial axes and (c) communicating sensed signals and captured image data to a set of remote servers configured for (i) analyzing the sensed signals and captured image data to determine the users physical state(s), behavior(s), and/or environment(s) or orientation(s) therein, such as whether the user has fallen and (ii) selectively issuing alerts directed to specific / target individuals and/or organizations based upon such analysis.
