Cardiac arrest is caused due to the abrupt loss of heart function in a person’s body that may or may not have diagnosed with a heart disease. A cardiac arrest generally happens when your heart stops the pumping of blood around your body. The time and mode of death can be unexpected. It can occur instantly or shortly after the appearance of symptoms.

If someone has collapsed suddenly, is not breathing normally and is unresponsive, then they are having a cardiac arrest.

Then there is no time to lose. Even if you are untrained your initial actions can help to save that person’s life.

Symptoms that may let you know about Cardiac Arrest

Sudden cardiac arrest symptoms are drastic and immediate and they include following:

  • Sudden collapse
  • No pulse
  • No breathing

Loss of consciousness

Sometimes there can be other signs and symptoms may precede sudden cardiac arrest. These signs may include fatigue, blackouts, fainting, dizziness, weakness, shortness of breath, chest pain, palpitations or vomiting. But generally, a sudden cardiac arrest often occurs with no actual warning.

Causes of a cardiac arrest

The most common and generally occurring cause of a cardiac arrest is a life-threatening and abnormal heart rhythm called ventricular fibrillation (VF).

Ventricular fibrillation as said happens when the electrical activity and pumping of your heart becomes so chaotic that the heart stops quivers and pumping or 'fibrillates' instead. There are various causes of VF. They can be problems within your heart or other causes like the following.

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Billroth Hospitals,
43, Lakshmi Talkies Road, Shenoy Nagar,



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