An electrocardiogram (ECG) is a common heart health test, but a normal result doesn't guarantee a healthy heart. The electrical system is measured by ECG, but it cannot detect blockages or structural ...

A new study out of Sweden shows that a rapid test for a cardiac enzyme, when combined with a normal electrocardiogram, rules out a heart attack with 99.8 percent reliability. What are the implications ...

CHICAGO (AP) _ Heart attack patients with normal EKGs may be in more danger than doctors realized. Unexpectedly high death rates were found in a study of hospitalized heart attack patients whose ...

A normal echocardiogram doesn't always mean a healthy heart. Persistent symptoms like breathlessness and fatigue can indicate ...

Even if your ECG comes back normal, it doesn't always mean your heart is completely healthy. Dr. Chaitanya shares examples from his patients to explain why subtle heart issues can go unnoticed. "One ...