How should CPR be performed on a person with punctured lung?

CPR (cardiopulmonary resuscitation) is a lifesaving technique that is performed on a person who has stopped breathing and/or has no heartbeat. When someone has a punctured lung, it is important to take extra care during CPR to avoid further damage to the lung.

Here are the steps for performing CPR on a person with a punctured lung:

1. Check for responsiveness. Gently shake and shout to the person to see if they respond. If they do not respond, call for help and start CPR.

2. Start chest compressions. Place the heel of one hand on the person's sternum, between the nipples. Place the other hand over your first hand and interlock your fingers. Give chest compressions at a rate of 100-120 compressions per minute, allowing the chest to fully recoil between compressions. Push down hard, about 3.8-5 cm (1.5-2 inches).

3. Give rescue breaths. After every 30 chest compressions, give two rescue breaths. To give a rescue breath, pinch the person's nose shut and seal your mouth over their mouth, ensuring a complete seal. Breathe into their mouth until their chest rises, and then remove your mouth and allow them to exhale. Be careful not to over-inflate the lungs, as this can cause further damage to the punctured lung.

4. Continue CPR until the person starts breathing, help arrives, or you are too exhausted to continue.

5. If an automated external defibrillator (AED) is available, follow the prompts to use it as soon as possible.

Remember, CPR is a skill that should be learned from a qualified instructor. If you are not trained in CPR, it is best to call for help and wait for emergency personnel to arrive.