Why should Mrs. W's pulse be checked before dental treatment can proceed?
A. Digoxin can cause side effects of tachycardia and missed heartbeats
B. Lisinopril can cause side effects of bradycardia and arrhythmia
C. Lisinopril can cause side effects of tachycardia and missed heartbeats
D. Metoprolol can cause side effects of tachycardia and missed heartbeats
E. Digoxin can cause side effects of bradycardia and arrhythmia