This document provides instructions for performing basic life support cardiopulmonary resuscitation (CPR). It outlines the steps to take which include checking for responsiveness, calling emergency services, positioning the victim on their back, checking for breathing, giving breaths if not breathing, performing chest compressions, and continuing cycles of compressions and breaths until help arrives or the victim recovers. It also provides guidance on performing CPR for infants, including using shallower compressions and breaths through the nose or nose and mouth.