

problems with your heart’s valves or muscles.

Sometimes a fast or irregular heartbeat can be a sign of a serious heart condition. You may feel it in your chest, throat, or neck. Heart Diseases That Can Cause a Racing Heart A palpitation is when it feels like your heart is racing, pounding, thumping, flopping, or fluttering. If you notice that your heart is racing a lot and you’re not exercising or stressed (for example), then you should think strongly about seeing a doctor.

Recording when your heart rate goes up can help your doctor better pinpoint what’s causing it. You can also try keeping a diary of your symptoms and write down what you were doing before you started to notice your heart was beating fast. If you notice that your heart is beating faster than normal, look for obvious explanations first: Heart palpitations are rapid or irregular heartbeats that make it feel like the heart is racing or fluttering.
