Bradycardia is defined as a heart rate below ___ and tachycardia is defined as a heart rate above ____ bpm. What precautions should the client with valve disease take before invasive dental work?
a) 50; 100; Prophylactic antibiotics
b) 60; 120; Supplemental oxygen
c) 70; 140; Anti-anxiety medication
d) 80; 160; Anticoagulant therapy
