While heart attacks can happen suddenly, sometimes symptoms present themselves weeks ahead of the cardiac event itself. Unusual fatigue, sudden shortness of breath, any chest discomfort, new sleep ...

One night, Lindsay Shanks sat up from bed and felt a sharp pain. “It felt like someone stabbed me right between my shoulder blades,” said Shanks, who was 37 at the time. “My hands started tingling, ...

Every year, hundreds of thousands of Americans experience what medical professionals call “silent” heart attacks—cardiac events so subtle that victims often dismiss them as minor discomfort or stress.

One night, Lindsay Shanks sat up from bed and felt a sharp pain. “It felt like someone stabbed me right between my shoulder blades,” said Shanks, who was 37 at the time. “My hands started tingling, ...