CPR Procedure: Step-by-Step Guide to Cardiopulmonary Resuscitation

Someone collapses in front of you and stops breathing. There’s no ambulance in sight, and the next few minutes will decide whether they live or die. This is exactly the situation Cardiopulmonary Resuscitation (CPR) is built for. It’s not a complicated medical procedure reserved for doctors. It’s a skill any adult can learn, and knowing it well enough to act without hesitation can be the difference between a tragedy and a survival story.

What is cardiopulmonary resuscitation? 🔗

Cardiopulmonary Resuscitation, or CPR, is an emergency technique used when a person’s breathing or heartbeat stops. This condition is called cardiac arrest, and it’s different from a heart attack. In cardiac arrest, the heart’s electrical system malfunctions so badly that it can no longer pump blood at all. Without blood flow, the brain, lungs, and every other organ are starved of oxygen, and permanent damage or death can occur within minutes.

CPR works by manually replicating what the heart and lungs would normally do. Chest compressions physically squeeze the heart between the breastbone and spine, pushing blood out to the rest of the body, while rescue breaths supply oxygen that the lungs can no longer draw in on their own. It buys the person time until an ambulance, a defibrillator, or trained medical help arrives.

Recognising cardiac arrest 🔗

Cardiac arrest often looks abrupt and dramatic, but it can also be mistaken for fainting or a seizure. The key signs to watch for are sudden collapse and loss of consciousness, no response when the person is tapped and asked loudly if they’re okay, and breathing that is absent, irregular, or reduced to occasional gasping sounds. Some people also show brief seizure-like jerking of the limbs as the brain is starved of oxygen. None of these signs need a medical background to spot. What matters is acting on them immediately rather than waiting to see if the person recovers on their own.

Why bystander CPR matters so much in India 🔗

Out-of-hospital cardiac arrest is a bigger public health problem than most people realise. It accounts for close to 10 percent of deaths worldwide and roughly half of all cardiovascular deaths, and survival depends almost entirely on whether someone nearby steps in immediately.

This is where the picture in India becomes concerning. The Cardiological Society of India estimates that bystander CPR happens in only 1.3 to 9.8 percent of cases, compared with a global average of around 30 percent. Every minute that passes without CPR after cardiac arrest lowers the chance of survival significantly, which means the low rate of bystander intervention directly translates into preventable deaths. Reasons range from a simple lack of training to hesitation, panic, or the fear of doing something wrong. Learning the correct steps removes that hesitation.

The three pillars of CPR 🔗

Every CPR attempt, regardless of who is performing it, rests on three components working together: circulation, airway, and breathing. Modern guidelines place circulation first because restoring blood flow as fast as possible has the biggest impact on survival.

Circulation: chest compressions 🔗

Chest compressions are the single most important part of CPR, and they should begin the moment cardiac arrest is confirmed. To perform them correctly:

Positioning: Lay the person flat on their back on a firm surface. Kneel beside their chest and place the heel of one hand on the centre of the chest, over the lower half of the breastbone, with the other hand stacked on top.

Depth and rate: Push hard and fast, compressing the chest at least 2 inches but no more than 2.4 inches deep, at a rate of 100 to 120 compressions per minute. Keep your elbows locked and your shoulders directly above your hands so you’re using your body weight rather than just your arms.

Recoil and interruptions: Let the chest rise back up fully between each push, and try to keep any pause in compressions under 10 seconds. Even brief interruptions cause blood pressure to drop quickly, undoing progress.

Airway: opening the passage for air 🔗

Once compressions are underway, the airway needs to be cleared so that any rescue breaths can actually reach the lungs. Two techniques are used, and choosing the right one matters.

Head tilt-chin lift: This is the default method when there’s no reason to suspect a spinal or neck injury. Place one palm on the person’s forehead and gently tilt the head back, while using the fingers of the other hand to lift the chin. This moves the tongue away from the back of the throat, which is the most common cause of airway blockage in an unconscious person.

Jaw thrust: If the person may have suffered a fall, an accident, or any trauma that could involve the neck or spine, tilting the head back is risky. Instead, the jaw thrust manoeuvre is used: place your hands on either side of the head and push the angle of the jaw forward without tilting the neck. It achieves the same goal of lifting the tongue clear of the airway, with far less movement of the cervical spine.

Breathing: rescue breaths 🔗

After 30 chest compressions, if you are trained and willing, two rescue breaths are given. Pinch the nose shut, seal your mouth completely over the person’s mouth, and give a breath that lasts about one second, just enough to see the chest rise. In clinical and ambulance settings, breaths are more commonly delivered through a bag-mask device, or by a bystander using a pocket mask fitted with a one-way valve, which protects the rescuer while still delivering effective ventilation.

The cycle of 30 compressions followed by 2 breaths is then repeated continuously until the person starts breathing on their own, a defibrillator becomes available, or professional help takes over.

Step-by-step CPR procedure 🔗

When faced with a possible cardiac arrest, following a clear sequence prevents wasted time:

Check the scene: Make sure there’s no ongoing danger, such as traffic, fire, or electrical hazards, before approaching.

Check responsiveness: Tap the person’s shoulders firmly and ask loudly if they are okay.

Call for help: Ask someone nearby to call emergency services and, if possible, bring an Automated External Defibrillator (AED). If you’re alone, make the call yourself before starting CPR.

Check breathing: Look, listen, and feel for normal breathing for no more than 10 seconds. Gasping or irregular breathing counts as not breathing normally.

Start chest compressions: Begin the 30 compressions immediately if breathing is absent or abnormal.

Open the airway and give breaths: Use the head tilt-chin lift or jaw thrust as appropriate, then deliver two rescue breaths if trained.

Continue the cycle: Repeat 30 compressions and 2 breaths without stopping until help arrives or the person shows signs of life.

Hands-only CPR: a practical option when untrained 🔗

Not everyone feels confident giving rescue breaths, and that shouldn’t stop anyone from helping. Hands-only CPR, which involves continuous chest compressions without any breaths, is recommended for bystanders who witness an adult suddenly collapse and have no CPR training. It’s simpler to remember, avoids concerns about giving mouth-to-mouth breaths to a stranger, and studies show it can be just as effective as conventional CPR in the first few minutes after cardiac arrest.

Given how few people in India currently have formal CPR certification, hands-only CPR is often the realistic first step. Doing continuous, hard, fast compressions is far better than freezing or waiting for someone else to act.

The role of AEDs alongside CPR 🔗

CPR keeps blood and oxygen moving, but in many cases of cardiac arrest, the heart is stuck in a chaotic rhythm that only an electric shock can correct. This is where an Automated External Defibrillator, or AED, comes in. These devices are designed for use by anyone, not just medical professionals. Once switched on, an AED talks the rescuer through every step, analyses the heart’s rhythm, and delivers a shock only if one is needed. CPR and defibrillation work best as a pair: compressions keep organs supplied with oxygen while the AED is retrieved and applied, and together they offer a far higher chance of survival than either one alone. Wider availability of AEDs in offices, malls, airports, and railway stations is increasingly seen as a priority for improving cardiac arrest outcomes in Indian cities.

Building a culture of readiness 🔗

CPR is a skill that fades if it’s only learned once and never revisited. Refresher practice, workplace training sessions, and school programmes all help keep the steps automatic rather than something to be recalled under panic. Since cardiac arrest most often happens at home or in front of family members, having even one person in a household who knows CPR meaningfully raises the odds of survival for everyone in it.

Colleges and workplaces can play a big role here too. A short, hands-on session with a practice manikin does more for confidence than reading about the steps ever will, because CPR is a physical skill that needs muscle memory, not just theoretical knowledge. The goal isn’t to turn every student into a paramedic. It’s to make sure that when a cardiac arrest happens in a classroom, a hostel, or a crowded street, at least one bystander doesn’t freeze.

What do you think? If you witnessed someone collapse right now, would you feel confident enough to start chest compressions immediately, or would you hesitate waiting for someone more qualified? What would it take to make CPR training as common as learning to swim or ride a bicycle?

References

1. https://www.mayoclinic.org/first-aid/first-aid-cpr/basics/art-20056600
2. https://www.sciencedirect.com/science/article/pii/S0019483223001402
3. https://www.theweek.in/news/health/2026/05/31/indias-silent-emergency-why-cpr-awareness-must-become-a-civic-responsibility.html
4. https://www.heart.org/en/news/2018/07/19/frequently-asked-questions-about-new-cpr-guidelines
5. https://www.redcross.org/take-a-class/cpr/performing-cpr/cpr-steps
6. https://www.merckmanuals.com/professional/critical-care-medicine/how-to-do-basic-airway-procedures/how-to-do-head-tilt-chin-lift-and-jaw-thrust-maneuvers
7. https://cpr.heart.org/en/resources/what-is-cpr