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When is CPR important? What happens during CPR? What happens if CPR isn't done? What are the benefits of CPR? What are the risks of CPR? How do I learn CPR? When is CPR important? CPR may be done when a person stops breathing or the heart stops beating (like when a person has a heart attack or almost drowns). When it's possible that the person may get better, CPR is an important life-saving technique. CPR can help keep oxygenated blood circulating in the body, which can help prevent brain and organ damage. However, when a patient has an advanced life-threatening illness (such as advanced stages of cancer) and is dying, CPR may not be the best option. It's important for the patient, family members and doctor to talk about this issue before the need arises. What happens during CPR? CPR consists of 2 stages: chest compressions (forceful pressing on the chest to stimulate the heart) and artificial respiration (mouth-to-mouth rescue breathing). Electric stimulation to the chest (called an automated external defibrillator or AED, which a device that help start the heart) and special medicines are sometimes used to resuscitate a person whose heart has stopped beating. This is usually done for 15 to 30 minutes. A tube may also be put through the mouth or nose into the lung. This tube is then connected to a breathing machine and helps the person breathe. What happens if CPR isn't done? A person will become __________ almost immediately and will die in 5 to 10 minutes. What are the benefits of CPR? For a patient who has an advanced life-threatening illness and who is dying, there are really no benefits. CPR may prolong life for patients who have a better health status or who are younger. CPR may also prolong life if it's done within 5 to 10 minutes of when the person's heart stopped beating or breathing stopped. What are the risks of CPR? Pressing on the chest can cause a sore chest, broken ribs or a collapsed lung. Patients with breathing tubes usually need medicine to keep them comfortable. Some patients who survive may need to be on a breathing machine in the intensive care unit (ICU) to help them breathe for a while after they receive CPR. Few patients (fewer than 10%) in the hospital who have had CPR survive and are able to function the way they used to. Many patients live for a short time after CPR, but still die in the hospital. CPR may also prolong the dying process. Patients who have more than one illness usually don't survive after CPR. Almost no one who has advanced cancer survives CPR and lives long enough to leave the hospital. Of the few patients who do, many get weaker or suffer brain damage. Some patients may need to live on a breathing machine for the rest of their lives. How do I learn CPR? CPR is a skill that you need to learn by taking an accredited first-aid training course. This course will probably teach you how to perform CPR and how to use an automatic external defibrillator (AED). Cardiopulmonary resuscitation (CPR) is a lifesaving technique useful in many emergencies, including heart attack or near drowning, in which someone's breathing or heartbeat has stopped. In 2010, the American Heart Association updated its guidelines to recommend that everyone — untrained bystanders and medical personnel alike — begin CPR with chest compressions. It's far better to do something than to do nothing at all if you're fearful that your knowledge or abilities aren't 100 percent complete. Remember, the difference between your doing something and doing nothing could be someone's life. Here's advice from the American Heart Association: * Untrained. If you're not trained in CPR, then provide hands-only CPR. That means uninterrupted chest compressions of about 100 a minute until paramedics arrive (described in more detail below). You don't need to try rescue breathing. * Trained, and ready to go. If you're well trained and confident in your ability, begin with chest compressions instead of first checking the airway and doing rescue breathing. Start CPR with 30 chest compressions before checking the airway and giving rescue breaths. * Trained, but rusty. If you've previously received CPR training but you're not confident in your abilities, then just do chest compressions at a rate of about 100 a minute. (Details described below.) The above advice applies to adults, children and infants needing CPR, but not newborns. CPR can keep oxygenated blood flowing to the brain and other vital organs until more definitive medical treatment can restore a normal heart rhythm. When the heart stops, the absence of oxygenated blood can cause irreparable brain damage in only a few minutes. A person may die within eight to 10 minutes. To learn CPR properly, take an accredited first-aid training course, including CPR and how to use an automatic external defibrillator (AED). Before you begin Before starting CPR, check: * Is the person conscious or unconscious? * If the person appears unconscious, tap or shake his or her shoulder and ask loudly, "Are you OK?" * If the person doesn't respond and two people are available, one should call 911 or the local emergency number and one should begin CPR. If you are alone and have immediate access to a telephone, call 911 before beginning CPR — unless you think the person has become unresponsive because of suffocation (such as from drowning). In this special case, begin CPR for one minute and then call 911 or the local emergency number. * If an AED is immediately available, deliver one shock if instructed by the device, then begin CPR. Circulation: Restore blood circulation with chest compressions 1. Put the person on his or her back on a firm surface. 2. Kneel next to the person's neck and shoulders. 3. Place the heel of one hand over the center of the person's chest, between the nipples. Place your other hand on top of the first hand. Keep your elbows straight and position your shoulders directly above your hands. 4. Use your upper body weight (not just your arms) as you push straight down on (compress) the chest at least 2 inches (approximately 5 centimeters). Push hard at a rate of about 100 compressions a minute. 5. If you haven't been trained in CPR, continue chest compressions until there are signs of movement or until emergency medical personnel take over. If you have been trained in CPR, go on to checking the airway and rescue breathing. Airway: Clear the airway 1. If you're trained in CPR and you've performed 30 chest compressions, open the person's airway using the head-tilt, chin-lift maneuver. Put your palm on the person's forehead and gently tilt the head back. Then with the other hand, gently lift the chin forward to open the airway. 2. Check for normal breathing, taking no more than five or 10 seconds. Look for chest motion, listen for normal breath sounds, and feel for the person's breath on your cheek and ear. Gasping is not considered to be normal breathing. If the person isn't breathing normally and you are trained in CPR, begin mouth-to-mouth breathing. If you believe the person is unconscious from a heart attack and you haven't been trained in emergency procedures, skip mouth-to-mouth rescue breathing and continue chest compressions. Breathing: Breathe for the person Rescue breathing can be mouth-to-mouth breathing or mouth-to-nose breathing if the mouth is seriously injured or can't be opened. 1. With the airway open (using the head-tilt, chin-lift maneuver), pinch the nostrils shut for mouth-to-mouth breathing and cover the person's mouth with yours, making a seal. 2. Prepare to give two rescue breaths. Give the first rescue breath — lasting one second — and watch to see if the chest rises. If it does rise, give the second breath. If the chest doesn't rise, repeat the head-tilt, chin-lift maneuver and then give the second breath. Thirty chest compressions followed by two rescue breaths is considered one cycle. 3. Resume chest compressions to restore circulation. 4. If the person has not begun moving after five cycles (about two minutes) and an automatic external defibrillator (AED) is available, apply it and follow the prompts. Administer one shock, then resume CPR — starting with chest compressions — for two more minutes before administering a second shock. If you're not trained to use an AED, a 911 operator may be able to guide you in its use. Use pediatric pads, if available, for children ages 1 through 8. Do not use an AED for babies younger than age 1. If an AED isn't available, go to step 5 below. 5. Continue CPR until there are signs of movement or emergency medical personnel take over. To perform CPR on a child The procedure for giving CPR to a child age 1 through 8 is essentially the same as that for an adult. The differences are as follows: * If you're alone, perform five cycles of compressions and breaths on the child — this should take about two minutes — before calling 911 or your local emergency number or using an AED. * Use only one hand to perform heart compressions. * Breathe more gently. * Use the same compression-breath rate as is used for adults: 30 compressions followed by two breaths. This is one cycle. Following the two breaths, immediately begin the next cycle of compressions and breaths. * After five cycles (about two minutes) of CPR, if there is no response and an AED is available, apply it and follow the prompts. Use pediatric pads if available. If pediatric pads aren't available, use adult pads. Continue until the child moves or help arrives. To perform CPR on a baby Most cardiac arrests in babies occur from lack of oxygen, such as from drowning or choking. If you know the baby has an airway obstruction, perform first aid for choking. If you don't know why the baby isn't breathing, perform CPR. To begin, examine the situation. Stroke the baby and watch for a response, such as movement, but don't shake the baby. If there's no response, follow the CAB procedures below and time the call for help as follows: * If you're the only rescuer and CPR is needed, do CPR for two minutes — about five cycles — before calling 911 or your local emergency number. * If another person is available, have that person call for help immediately while you attend to the baby. Circulation: Restore blood circulation 1. Place the baby on his or her back on a firm, flat surface, such as a table. The floor or ground also will do. 2. Imagine a horizontal line drawn between the baby's nipples. Place two fingers of one hand just below this line, in the center of the chest. 3. Gently compress the chest about 1.5 inches (about 4 cm). 4. Count aloud as you pump in a fairly rapid rhythm. You should pump at a rate of 100 compressions a minute. Airway: Clear the airway 1. After 30 compressions, gently tip the head back by lifting the chin with one hand and pushing down on the forehead with the other hand. 2. In no more than 10 seconds, put your ear near the baby's mouth and check for breathing: Look for chest motion, listen for breath sounds, and feel for breath on your cheek and ear. Breathing: Breathe for the infant 1. Cover the baby's mouth and nose with your mouth. 2. Prepare to give two rescue breaths. Use the strength of your cheeks to deliver gentle puffs of air (instead of deep breaths from your lungs) to slowly breathe into the baby's mouth one time, taking one second for the breath. Watch to see if the baby's chest rises. If it does, give a second rescue breath. If the chest does not rise, repeat the head-tilt, chin-lift maneuver and then give the second breath. 3. If the baby's chest still doesn't rise, examine the mouth to make sure no foreign material is inside. If the object is seen, sweep it out with your finger. If the airway seems blocked, perform first aid for a choking baby. 4. Give two breaths after every 30 chest compressions. 5. Perform CPR for about two minutes before calling for help unless someone else can make the call while you attend to the baby. 6. Continue CPR until you see signs of life or until medical personnel arrive. |