Dreams of a heartbeat represent that you are in touch with your passion, love, and the rhythm of your creativity.
If you dream that your heart is racing then you may be processing nervousness, stress or infatuation.
If you dream that there is no pulse, then you are feeling a lack of passion, or you are dying to your former identity, in order to be made anew.
[1]To hear a heartbeat in your dream suggests that you are not facing up to your feelings. You need to approach things head-on. Alternatively, a heartbeat may mean that you are feeling threatened in some way.
[2]1. Powerful feelings, often love, either growing or in need of attention.
2. Possible health issues.
3. Primal fear or threat is perceived (rapid, adrenaline-induced heart rate).
[3]