palpitation Synonyms

trembling shaking vibration shakiness quiver quivering tremor trepidation trepidity varix wave heart beating tremble quavering thumping thrumming throb throbbing spasm disquietude heart block Palpitations vibrations pulsing pitter-patter paradiddle cold sweat sledgehammer cardiac output dyspnea hyperventilation hyperpnea beats angina pectoris thudding heartbeat tachycardia atrial fibrillation shudder shuddering shiver nervousness myocarditis libration inquietude heartquake flutter fidgetiness endocarditis drumming