Why Does My Heart Beat Fast Even When I'm Resting?
A racing heartbeat while sitting, lying down, or relaxing can understandably cause concern. If you have ever wondered, “Why does my heart beat fast even when I’m resting?” , there can be several possible explanations. Stress, anxiety, dehydration, caffeine, certain medications, medical conditions, and heart rhythm abnormalities can all cause an increased resting heart rate. An occasional episode may not necessarily indicate a serious problem. However, if your heartbeat frequently becomes rapid without physical activity—or if it occurs with chest pain, dizziness, breathlessness, or fainting—medical evaluation by a qualified cardiologist is important. What Is a Normal Resting Heart Rate? For most healthy adults, a resting heart rate between 60 and 100 beats per minute is generally considered normal. People who exercise regularly or are highly physically active may naturally have a lower resting heart rate because their heart can pump blood efficiently. A resting heart rate that r...