Patient Handouts. 1  Acute coronary syndrome (Medical Encyclopedia) Also in Spanish. 2  Angioplasty and stent - heart - discharge (Medical Encyclopedia) Also in Spanish. 3  Angioplasty and stent placement - heart (Medical Encyclopedia) Also in Spanish. 4  Coronary angiography (Medical Encyclopedia) Also in Spanish.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  influential(Noun) A person who has influence. 2  influential(Adjective) Having or exerting influence. John Lennon was a very influential person in music, as well as in politics, fashion and general culture.
impact noun [U] (FORCE). âº the âforce with which one thing âhits another or with which two things âhit each other: The impact of the âcrash âdestroyed the âcar. The âbullet âexplodes on impact (= at the âmoment when it âhits something).