Do you know the difference between a Heart Attack and Sudden Cardiac Arrest ?

The two conditions have diverse trigger mechanisms and differ in their causes, appearance and treatment. If you have suffered from a heart attack before, the risk of a sudden cardiac arrest is higher. Read on to learn about the key difference between a heart attack and sudden cardiac arrest.

 

 Plumbing vs. Electrical

A Heart Attack is a plumbing issue that prevents the heart from getting a sufficient amount of blood supply. Sudden Cardiac Arrest is an electrical issue, and occurs when the signals generated by the heart’s own electrical simulator, the sinus node (that normally regulates the heart beating rate), goes haywire.

 

Obstruction vs. Arrhythmia

A heart attack is caused by an obstruction of a blood vessel that prevents blood from reaching the heart and can cause the death of the heart muscle tissue. A sudden cardiac arrest is caused by arrhythmia, an irregular heartbeat. The most common arrest-causing arrhythmia is ventricular fibrillation.

  

Unblock vs. Defibrillate

The treatment for a heart attack is to unblock the obstructed blood vessel. The only treatment to save an arrested heart is by applying defibrillation.

 

Hours vs. Minutes

A heart attack can be treated within 1 or 2 hours of the first symptoms. During sudden cardiac arrest, brain death occurs in 4/6 minutes. Death can occur in 10 minutes.
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