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 ...

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 ...

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 ...

Thousands of patients sent for vital heart scans may be undergoing unnecessary first-line tests that fail to deliver clear ...

New data from the CDC WONDER database finds deaths from heart attack-related cardiogenic shock (CS) decreased between 1999 ...

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

Prefer Newsweek on Google to see more of our trusted coverage when you search. Christopher Malin had always been diligent about his health, so he was used to getting the basic tests—blood pressure ...

Thyroid hormones directly regulate cardiovascular function and the imbalance can trigger or severely worsen existing heart ...

In rare cases, hyperthyroidism may lead to congestive heart failure. This is because, in people with hyperthyroidism, the thyroid gland overproduces thyroid hormones, which can affect how the heart ...