How The Heart Works
First of all, it is important to briefly describe the heart and how it works. The heart is made up of muscle fibers that contract and relax to pump blood into the body.
As with any other muscle in the body, the heart requires oxygen to function well. The muscles are also able to beat together as one because of electrical signals that travel through the nerve fibers of the heart.
Now, we can easily differentiate between a heart attack and SCA, which are terms often used interchangeably but refer to different conditions.

Heart Attack vs. Sudden Cardiac Arrest: Biglang Paghinto ng Tibok ng Puso
Most commonly, biglang paghinto ng tibok ng puso is caused by an arrhythmia which is an abnormal heart rhythm that you see when the heart’s electrical system is impaired.
In contrast, a heart attack happens when a vessel supplying the heart muscle is blocked and the muscle suffers from a lack of oxygen. So, a heart attack is a problem in terms of circulation. While cardiac arrest is a problem in terms of signal conduction. Of course, a heart attack can also lead to cardiac arrest because the heart attack can trigger electrical disturbances.
The risk factors for both conditions also overlap. Thus, people who have a family history of coronary artery disease, those who have elevated blood pressure and cholesterol levels, those who are diabetic, obese are at higher risk of suffering both a heart attack and an SCA.
Possible signs and symptoms that can occur include chest discomfort, shortness of breath, weakness, and palpitations.
However, it can also occur in asymptomatic patients and those who have undiagnosed cardiac conditions such as:
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