heart rate variability

What Is a Heart Palpitation?

What is a heart palpitation? What does it feel like? Are heart palpitations normal? Are they dangerous? These are questions I’ve heard many times over years from patients and web site visitors. Heart palpitations are a common form… Continue Reading

Beta Blockers

The most widely used drugs in this class are metoprolol, atenolol, and propranolol. Beta receptors exist in other systems of the body, such as the lungs. Some drugs target specifically the receptors in the heart, and are known… Continue Reading