Heart attacks (myocardial infarctions) happen when blood flow to the heart is blocked by plaque buildup in the coronary arteries. In some instances, heart attacks can also be caused by blood clots and coronary artery spasms, or the tightening of the muscles with the arteries. It is the number #1 cause of death globally and claims about 17.9 million lives yearly, with one happening every 40 seconds.

What are the warning signs of a heart attack?

Heart attacks are a grave medical emergency so it’s important for everyone to know its warning signs and what may happen during one…