<unk>  are a common complaint in the general population, particularly in those affected by structural heart disease. Clinical presentation is divided into four groups: extra-systolic, tachycardic, anxiety-related, and intense. Anxiety-related is the most common.
Palpitations
Tachycardia
Bradycardia
Hyperthymesia
Orthopnea
Chest pain
Apnea
Bigeminy