Medical and Scientific Liaison Jennifer Marino BSN, RN discusses the importance of heart disease in the US, which is responsible for every 1 in 4 deaths. Every year over 700k Americans have a heart attack, and one third of those happen in individuals that have already had a heart attack. Because of these high numbers, it is crucial to recognize the signs of a heart attack, and to seek medical attention as quickly as possible.  View full video on YouTube.