According to some embodiments, an injection system configured to deliver at least one nerve block agent, other anesthetic or other fluid to a subject comprises a fluid delivery module configured to receive a fluid container, wherein once secured to the fluid delivery module, the fluid container is configured to engage an actuator of the fluid delivery module, at least one motor coupled to the actuator, wherein the at least one motor is configured to selectively move the actuator to create a positive pressure within the fluid container, a pressure detection assembly in fluid communication with the fluid container, wherein the pressure detection assembly is configured to detect the real-time pressure within the fluid container and the fluid conduit, and a processor configured to regulate at least one aspect of the injection system based on, at least in part, the real-time pressure detected by the pressure detection assembly.
