Follow instructions from the 999 operator until emergency services take over. If you're with someone who's having a cardiac arrest, call 999, start CPR and use a defibrillator if there’s one nearby. How is a cardiac arrest treated?Ī cardiac arrest is an emergency. It's important to get medical attention immediately by calling 999 for an ambulance if you have heart attack symptoms. The person will usually be conscious and breathing.Ī heart attack can lead to a cardiac arrest as you’re at higher risk of having ventricular fibrillation. The heart is still pumping blood around the body during a heart attack. This is often caused by a clot in one of the coronary arteries. What's the difference between a cardiac arrest and a heart attack?Ī heart attack and cardiac arrest are not the same.Ī heart attack happens when the blood supply to the heart muscle is cut off. hypoxia - a severe drop in oxygen levels.a severe haemorrhage (losing a large amount of blood).a heart attack (often caused by coronary heart disease).severe or untreated myocarditis - inflammation of the heart muscle.heart valve disease – when one or more of your heart valves don’t work properly.congenital heart disease – a heart condition or defect you get before you’re born.cardiomyopathies (disease of the heart muscle) and inherited heart conditions which affect the electrical system of the heart, such as Brugada syndrome.Some conditions can cause abnormal heart rhythms and in turn, a cardiac arrest if they're severe or left untreated:

Common arrhythmias like atrial fibrillation aren’t life-threatening although they cause irregular, fast heart rhythms. This is when the heart quivers or ‘fibrillates’ instead of pumps. Ventricular fibrillation (VF) is an example of a dangerous heart rhythm that can lead to a cardiac arrest. Not all abnormal heart rhythms are life-threatening, but some mean that the heart cannot pump blood around the body. What causes a cardiac arrest?Ī cardiac arrest is caused by a dangerous abnormal heart rhythm (arrhythmia), which happens when the electrical system in the heart isn’t working properly. If you see someone having a cardiac arrest, phone 999 immediately and start CPR.

Without immediate treatment, the person will die. not breathing or not breathing normally – this may mean they’re making gasping noises.If someone is in cardiac arrest, they collapse suddenly and: What are the symptoms of a cardiac arrest?Ī cardiac arrest is an emergency that usually happens without warning.

How can I reduce my risk of having a cardiac arrest?.

Are there long-term effects after a cardiac arrest?.

What's the difference between a cardiac arrest and a heart attack?.

What are the symptoms of a cardiac arrest?.

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