Official title: Balancing Time and Outcomes: A Prospective Observational Study Comparing the Effectiveness of the Standard Two-Day Advanced Life Support (ALS) Versus One Day Recertification Course Summary: this study aims to compare the effectiveness of a one-day versus two-day ALS recertification course in terms of knowledge retention, practical skills performance, participant satisfaction, and confidence. Conditions: Skill Performance, Knowledge Keywords: Standard, recertification, ALS, ERC, knowledge retention Study type: OBSERVATIONAL Enrollment: 158 (ESTIMATED) Status: RECRUITING Completion: 2026-11-30 (ESTIMATED)