Abstract: The present invention is an apparatus, method, and system for remote monitoring of need for assistance based on change in velocity. One aspect of the invention includes a portable unit that may be comfortably wearable, having an intelligent control, and a detector capable of detecting a physical parameter related to acceleration, and a transmitter. When an acceleration is determined to exceed a particular threshold, the intelligent control device instructs a transmitter to send an alert signal. Another aspect of the invention includes a method of monitoring for need of assistance by monitoring a physical parameter of the person related to acceleration and transmitting a need of assistance alert. Another aspect of the invention involves a system including one or more monitor units for determining the need for assistance based on physical parameter related to acceleration, a communications network for receiving information from the monitored unit and notifying a third party.