This document provides guidelines and information about basic life support (BLS) in Pahang, Malaysia. It discusses the history and evolution of CPR, challenges in performing high-quality CPR, and guidelines for performing CPR on adults, children, and infants. Key points covered include the importance of chest compressions, minimizing interruptions, compression-ventilation ratios for different age groups, foreign body airway obstruction treatment, and use of automated external defibrillators. The document is intended as a reference for emergency physicians and medical professionals in Pahang involved in BLS training and treatment.