A 69-year-old patient presents for an annual visit to his new general practitioner. clinical examination reveals a pulse at 45 beats per minute. Name the medication(s) likely to be involved:
Selective beta blocker
Class III antiarrhythmic
Calcium channel blocker of the dihydropyridine group
Anticholinesterase
Fast-acting, short-acting inhaled beta-2 mimetic bronchodilator