Which of the Following is Least Related to a Bradycardia

Question

Which of the following is least related to a bradycardia?
A) Greater than 60 beats/min
B) Vagal discharge
C) (-) Chronotropic effect
D) Parasympathetic nerve stimulation of the SA node

Accepted Answer

Bradycardia is characterized by a heart rate that is slower than normal, typically less than 60 beats/min. Therefore, an heart rate greater than 60 beats/min is least related to a bradycardia. B, C, and D are all factors that can contribute to or cause a bradycardia.