What happens if you get shocked by a defibrillator while awake?
Answer: A defibrillator shock, if you're wide awake, will indeed hurt. The description is that it's like being kicked by a mule in the chest.
If you use a public defibrillator on a person, it will do nothing. The defibrillator will sense that there is a heart rhythm and will not charge or shock a conscious person.
If you have to do CPR and have an AED available, push hard, push fast, and follow the AED's instructions as long as they make sense but don't shock people who are awake.
Can You Use an AED on Someone with a Stopped Heart? The short answer to this is no. An AED can only be used on someone with a rapid heart rate. You cannot use it on victims with an extremely slow heart rhythm or those whose heart stops beating.
5. How many times can a person be defibrillated? In short; a person can be shocked as many times as necessary, however, with each shock that fails to return the heart to a normal rhythm, the chances of survival decreases.
Defibrillators are devices that send an electric pulse or shock to the heart to restore a normal heartbeat. They are used to prevent or correct an arrhythmia, an uneven heartbeat that is too slow or too fast. If the heart suddenly stops, defibrillators can also help it beat again.
If you perform defibrillation on someone who doesn't have ventricular tachycardia (with no pulse) or ventricular fibrillation, you may cause ventricular fibrillation and cardiac arrest.
Keep the person still and don't move him or her unless necessary. Begin CPR if the person shows no signs of life, such as not breathing, coughing or moving. Loosen tight clothing and, if needed, cover the person with a blanket to prevent chilling. Don't let the person eat or drink anything.
Rhythms that are not amenable to shock include pulseless electrical activity (PEA) and asystole. In these cases, identifying primary causation, performing good CPR, and administering epinephrine are the only tools you have to resuscitate the patient.
Defibrillators are for use on "live" persons ONLY. They work by stopping the heart and depending on the natural impulse of the body to restart its own heart. Almost, but not quite always, the heart complies and restarts itself.
When can you not use a defibrillator?
Do not use an AED if the person is lying in water, covered in water or their chest is too wet from sweat. Do not place an AED pad over a medication patch or over a pacemaker. Do not use an AED on a child younger than 12 months without adequate training.
Non-Shockable Rhythms. An Asystole — rhythm means that the heart's electrical system has shut down and there is no heartbeat. Asystole can be the result of untreated VT or VF. If someone experiences Asystole, CPR should be initiated immediately to provide the best chances of survival.

Procedure. In a precordial thump, a provider strikes at the middle of a person's sternum with the ulnar aspect of the fist. The intent is to interrupt a potentially life-threatening rhythm. The thump is thought to produce an electrical depolarization of 2 to 5 joules.
The two nonshockable rhythms are pulseless electrical activity (PEA) and asystole and the two shockable rhythms are pulseless ventricular tachycardia and ventricular fibrilation.
The physicians and scientists at the Sarver Heart Center, have found that the old saying "Never perform CPR on beating heart" is not valid. According to these professionals, the chances that a bystander could harm a person by pressing on their chest are slim to none, even if the heart is working normally.
Do shocks from an ICD hurt? Most patients who have received shocks from their ICDs describe them as startling, jolting and unsettling, but not painful. It's easy to understand why. The ICD delivers a shock to prevent a dangerously fast heart rhythm.
You need to live with an ICD for the rest of your life. Hence, it is important to have regular check-ups and monitoring every three months to ensure the proper functioning of an ICD.
It can feel like a thump in your chest. Defibrillation is the strongest. Most people say it feels like being kicked in the chest. It often happens all of a sudden.
To put it simply, an AED will not restart a heart once it has completely stopped because that's not what it's designed to do. As discussed above, the purpose of a defib is to detect irregular heart rhythms and shock them back to normal rhythms, not to shock a heart back to life once it has flatlined.
20 minutes is a common time frame. Vasopressin takes approximately 20 minutes to begin to cause a reaction. A rescuer would need to continue attempting resuscitation for at least that long before they would expect a result. 20 minutes would then be the minimum amount of time you would attempt resuscitation.
Can a flatline heart be restarted?
Asystole isn't a shockable rhythm, and defibrillation may actually make it harder to restart the heart. Defibrillation is only an option if your heart goes from asystole to a shockable rhythm, which is possible when someone with asystole receives effective CPR.
Remove all clothing from the patient's chest – this includes swimsuits, bras, sports bras, tank tops, and regular tops. If you need to, you can cut through clothing with the shears included in an AED's response kit. Be sure to cut away from the person's face. Apply the AED electrode pads as indicated on the packaging.
CPR works by pushing blood around the body to keep the brain and vital organs alive. CPR alone is very unlikely to restart the victim's heart. Therefore, CPR alone is unlikely to revive a victim of sudden cardiac arrest. These victims require urgent defibrillation.
Call or tell someone to call 911 or the local emergency number. Check the person's airway, breathing, and pulse frequently. If necessary, begin CPR. If the person is breathing and lying on their back, and you do not think there is a spinal injury, carefully roll the person toward you onto their side.
They include the initial stage, the compensatory stage, the progressive stage, and the refractory stage.
This 'non-medical shock' is a response to anxiety or fear. Although the symptoms can look like those of medical shock, this 'fright-flight' response is short lived and symptoms will disappear once the person is comforted or the reason for the fright or fear is removed.
You will learn about Premature Ventricular Contractions, Ventricular Tachycardia, Ventricular Fibrillation, Pulseless Electrical Activity, Agonal Rhythms, and Asystole. You will learn how to detect the warning signs of these rhythms, how to quickly interpret the rhythm, and to prioritize your nursing interventions.
You will need to be able to recognize the four lethal rhythms. Asystole, Ventricle Tachycardia (VT), Ventricle Fibrillation (VF), and Polymorphic Ventricle Tachycardia (Torsade de pointes).
Therefore, a "No Shock Advised" message doesn't necessarily mean that the heart rhythm is back to normal; instead, it may mean that the victim is experiencing asystole or pulseless electrical activity; neither of which are treatable by shock.
Implantable cardiac defibrillators (ICDs) and pacemakers improve quality of life and may prevent premature death for people with certain irregular heart rhythms. There are times, such as when life is nearing its end, when patients may no longer desire these heart therapies.
Do you do CPR if someone has a defibrillator?
After the shock has been given the defibrillator will tell you to continue CPR for two minutes before it re-analyses. If the defibrillator tells you that no shock is needed continue CPR for two minutes before the defibrillator re-analyses.
Yes, this is safe. Most pacemakers and ICDs (implantable cardioverter defibrillators) are implanted in the upper left side of the chest. During CPR, chest compressions are done in the centre of the chest and should not affect a pacemaker or ICD that has been in place for a while.
In those studies when EMS call-to-arrival intervals were 4 to 5 minutes or longer, victims who received 1½ to 3 minutes of CPR before defibrillation showed an increased rate of initial resuscitation, survival to hospital discharge, and 1-year survival when compared with those who received immediate defibrillation for ...
Asystole, colloquially referred to as flatline, represents the cessation of electrical and mechanical activity of the heart. Asystole typically occurs as a deterioration of the initial non-perfusing ventricular rhythms: ventricular fibrillation (V-fib) or pulseless ventricular tachycardia (V-tach).
Asystole is a non-shockable rhythm. Therefore, if asystole is noted on the cardiac monitor, no attempt at defibrillation should be made. High-quality CPR should be continued with minimal (less than five seconds) interruption. CPR should not be stopped to allow for endotracheal intubation.
It is also safe to use an automated external defibrillator, or AED, if one is available. Bystanders should not be afraid they might hurt the unborn baby, Jeejeebhoy said. “Shock from a defibrillator and chest compressions will not harm the fetus,” she said.
There are three main reasons for this: The first is that the thought of giving rescue breaths makes bystanders less likely to want to perform CPR. The second is that rescue breaths interrupt lifesaving chest compressions. The third is the risk of disease transmission.
Because just chest compressions are necessary for bystander cardiopulmonary resuscitation, mouth to mouth resuscitation is no longer advised.
In general, it's better to err on the side of too much force rather than too little. Chest compressions that are too vigorous may cause broken ribs and other internal injuries, but those that are too light won't pump blood to dying organs—and the patient will almost certainly die.
Survival rates in a cardiac arrest patient with asystole are much lower than a patient with a rhythm amenable to defibrillation; asystole is itself not a "shockable" rhythm.
What rhythms will an AED not shock?
There are two types of nonshockable rhythms, pulseless electrical activity (PEA) and asystole.
Summary. The most common shockable rhythms associated with cardiac arrest are pulseless ventricular tachycardia and ventricular fibrillation.
If there is no pulse or breathing within 10 seconds, begin chest compressions. Start CPR with 30 chest compressions before giving two rescue breaths.
If CPR is initiated within: 0–4 minutes: unlikely to develop brain damage. 4–6 minutes: possibility of brain damage. 6–10 minutes: high probability of brain damage.
Call your doctor's office and let them know you received a shock. If you received multiple shocks, you should go straight to the emergency room. Interrogation — using a device connected to your phone line to remotely monitor your device — will let your doctor know what happened.
You may feel a flutter, palpitations (like your heart is skipping a beat), or nothing at all. Fibrillation may require that you receive a “shock.” Most patients say that the shock feels like a sudden jolt or thump to the chest.
While it's a necessary and effective preventive therapy, those who've experienced a defibrillator shock say it's painful, and some studies suggest that the shock can damage heart muscle.
Following a low-voltage shock, go to the emergency department for the following concerns: Any noticeable burn to the skin. Any period of unconsciousness. Any numbness, tingling, paralysis, vision, hearing, or speech problems.
It is important to understand that if you receive a shock from an implantable defibrillator, it will not cause harm to anyone else who might be touching you. Anti-tachycardia pacing is an alternative method of stopping ventricular arrhythmias and is available in most ICDs.
Aim: Current consensus guidelines for cardiopulmonary resuscitation (CPR) recommend that chest compressions resume immediately after defibrillation attempts and that rhythm and pulse checks be deferred until completion of 5 compression:ventilation cycles or minimally for 2min.
Can you touch a person while the AED is defibrillation?
If the AED recommends a shock to the person, make sure that no one, including you, is touching the person. After the shock is delivered, the AED will tell you to begin CPR. Begin CPR after delivering the shock. If no shock is advised, begin CPR.