Bradycardia

Question 1

What is bradycardia?

Answer 1

Heart rate of 600 bpm or fewer

Question 2

Bradycardia may be a result of s______ n___ dysfunction due to aging, heart disease or medications

Answer 2

sinoatrial node

Question 3

Bradycardia may be a result of h___ b____ where there is delayed or blocked transmission of electrical signals from the atria to the ventricles

Answer 3

heart block

Question 4

Name some medications that may cause bradycardia

Answer 4

Beta-blockers
CCBs
Antiarrhythmic drugs
Some antidepressants

Question 5

True or false: Hyperthyroidism may lead to bradycardia

Answer 5

False
Hypothyroidism may as thyroid hormone plays a role in regulating heart rate

Question 6

Increased activity of which nerve can lead to bradycardia?

Answer 6

Vagus

Question 7

Name 2 broad types of infection that may cause bradycardia

Answer 7

Infective endocarditis
Myocarditis

Question 8

Physiological causes of bradycardia
include ______ ______, which can lead to increased vagal tone and a slower resting heart rate.

Answer 8

athletic training

Question 9

What are symptoms of bradycardia?

Answer 9

Syncope
Fatigue
SOB
Dizziness
Weakness