BLS HeartCode Exam Prep | 100 Questions with 100% Correct Answers | Updated & Verified | 28 Pages

After positioning yourself directly above the victim's head, what is the correct order of steps for using a bag-mask device? - 1. Place the mask on the victim's face, using the bridge of the nose as a guide for the correct position 2. Use the E-C clamp technique to hold the mask in place while you lift the jaw to hold the airway open 3. Squeeze the bag to give breaths (1 second each) while watching for chest rise How are breaths delivered using a bag-mask device? - 1 breath over 1 second, while watching for chest rise Why an AED is needed - - Most sudden cardiac arrests are triggered by abnormal heart rhythms called arrhythmias - Two life-threatening arrhythmias that can cause cardiac arrest are pulseless ventricular tachycardia(pVT) and ventricular Fibrillation (VF) where the heart's electrical impulses suddenly become chaotic and ineffective