Critical Alert Systems is a San Diego-based healthcare software company that provides clinical collaboration and communication tools for hospitals, physician groups, ambulatory surgery centres, and other healthcare organisations. Their products help healthcare teams coordinate care across different departments and facilities, automate clinical workflows, and speed up decision-making to improve patient outcomes. They offer solutions including secure messaging, scheduling, nurse call systems, alarm management, and patient engagement tools. Referrals suit them best from healthcare organisations looking to improve their internal communications and clinical workflows.