As a language expert with a deep understanding of human physiology and emotions, I can describe the sensation of a heart fluttering from both a physical and emotional perspective. When your heart flutters, it can feel like a series of rapid, irregular beats or a momentary pause in your heartbeat. This sensation is often described as a "skipped beat" or "palpitations." Physically, you might feel a thumping, fluttering, or pounding in your chest. It can be a mild, almost unnoticeable occurrence or a more intense experience that is quite noticeable and can last for a few seconds to several minutes. Emotionally, a fluttering heart can be associated with feelings of excitement, anxiety, or even fear. It's a common response to stress, strong emotions, or physical exertion. For some, it can be a pleasant sensation linked to the anticipation of something enjoyable, like meeting a loved one or experiencing a thrilling event. For others, it might be an unpleasant reminder of anxiety or a health concern. It's important to note that while occasional heart flutters can be normal, especially in response to certain triggers, frequent or persistent episodes should be evaluated by a healthcare professional to rule out any underlying medical conditions. read more >>

Palpitations make you feel like your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your chest, throat, or neck. They can be bothersome or frightening. ... In rare cases, palpitations can be a sign of a more serious heart condition.read more >>