Add Yahoo as a preferred source to see more of our stories on Google. Ever had that moment where it feels like your heart skips a beat? This might occur after a stressful day, a burst of exciting news ...

An abnormal heart rhythm, or arrhythmia (also referred to as an irregular heartbeat), is a condition in which your heart beats too fast (at more than 100 beats per minute, or BPM), too slowly (at less ...

When it comes to heart function, anything that deviates from normal behavior is cause for concern, especially if you’re at risk of heart disease. One of the most common "abnormal" behaviors is a heart ...

S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Adults whose resting heart rate follows an atypical pattern as they age may face a greater risk for developing heart failure or dying from any cause than people whose heart rates follow a normal ...

You could argue that the complications of a disease, rather than the disease itself, create most of the problems associated with that condition. Take hypertrophic cardiomyopathy, or HCM, a primarily ...

With evaluation and monitoring, some physical activity may be safer than previously believed for children and adolescents ...

High output heart failure represents an uncommon type of heart failure that affects fewer than 1% of people seeking medical care for heart problems. Unlike typical heart failure where the heart pumps ...

Your heart has been doing its job faithfully for years, beating steadily in the background while you go about your daily life. Then suddenly, you become acutely aware of every beat as it seems to ...