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Cardiac arrest is a sudden loss of cardiac function, resulting in cessation of blood flow to the brain and other organs. It is a medical emergency that requires immediate intervention to prevent death or brain damage.
Cardiac arrest can be caused by a number of factors, including heart disease, electrolyte imbalances, drug overdose, trauma, and respiratory failure. In many cases, cardiac arrest is preceded by symptoms such as chest pain, shortness of breath, dizziness, and palpitations.
The most common treatment for cardiac arrest is cardiopulmonary resuscitation (CPR), which involves chest compressions and rescue breathing to manually circulate oxygenated blood throughout the body. Defibrillation, which involves the delivery of an electric shock to the heart, may also be used to restore normal heart rhythm.
In addition to immediate intervention, prevention of cardiac arrest involves managing risk factors such as heart disease, high blood pressure, high cholesterol, and diabetes. Lifestyle changes such as quitting smoking, maintaining a healthy weight, and getting regular exercise can also help reduce the risk of cardiac arrest.