Bradycardia

Question 1

Normal PR interval

Answer 1

0.12-0.20 seconds (3-5 small squares)

Question 2

Signs of life-threatening bradycadia management

Answer 2

Atropine 500 mcg IV - can be given again up to 3mg

Other measures
-Isoprenaline 5 mcg min IV
- Adrenaline 2-10 mcg min IV

Question 3

Interim measure in bradycardia

Answer 3

Adrenaline 2-10 mcg min IV
Isopraline 5mcg min IV
Transcutaenous pacing

Alternative drugs
- Aminophylline
-Dopamine
- Glucagon (beta-blocker or calcium channel blocker overdose)
- Glycopyrrolate