During the development of Chantix a study of cardiac side effects and frequency demonstrated…
Infrequent: (nobody know what exactly is meant by infrequent 5%,10%,who knows)
Angina pectoris, (chest pain)
Arrhythmia, (irregular heart beats)
Bradycardia, (slower than normal heart beats)
Ventricular extrasystoles, (extra heart beats)
Myocardial infarction (MI), (heart attacks)
Palpitations, (awareness of your heart beating)
Tachycardia.(rapid heart beats)