WEBThe-Ultimate-BLS-Cheatsheet-Infographics_pg1. No normal breathing, pulse felt. Provide rescue breathing, 1 breath Every 6 seconds or. 10 breaths/min. Check pulse every. 2 minutes: if no pulse, start CPR. If possible opioid overdose, administer naloxone if availiable per protocol. No, Nonshockable.