Rakesh Jayakumar on Instagram: "MUST KNOW THESE ‼️ 1️⃣ Check carotid pulse.Check response & breathing 👉 Tap and shout: “Are you okay?” 👉 If no response & not breathing → Call for help / activate emergency system. 2️⃣ Start chest compressions 👉 Center of chest, lower half of sternum. 👉 Depth: 5–6 cm 👉 Rate: 100–120/min 👉 Allow full recoil after each compression. 3️⃣ Give rescue breaths 👉 Ratio 30 compressions : 2 breaths 👉 Each breath ~1 second, enough to make chest rise. 4️⃣ Continue CPR