flutter, palpitate - beat rapidly; "His heart palpitated"

shake, agitate - move or cause to move back and forth; "The chemist shook the flask vigorously"; "My hands were shaking"

tremble - move or jerk quickly and involuntarily up and down or sideways; "His hands were trembling when he signed the document"

thump, beat, pound - move rhythmically; "Her heart was beating fast"

palpitate - cause to throb or beat rapidly; "Her violent feelings palpitated the young woman's heart"