Silent heart attack: Unexplained fatigue to nausea; cardiologist shares top 5 signs

Almost half of the heart attack cases are 'silent' where people may mistake it for other health issues. Cardiologist shares top 5 signs of silent heart attack.

Silent heart attack: Unexplained fatigue to nausea; cardiologist shares top 5 signs
Almost half of the heart attack cases are 'silent' where people may mistake it for other health issues. Cardiologist shares top 5 signs of silent heart attack.