bradycardia ( look in small notebok

Question 1

bradycardia is usually defined as

Answer 1

HR less than 40bpm w/ compromise

Question 2

what are the 3 main categories that cause bradycardia

Answer 2

electrolyte imbalance, conduction disturbances, ectopic/reentry

Question 3

outline some ways automaticity can decrease leading to bradycardia

Answer 3

-electrolyte imbalances
- sodium channel blockers overdose (meds that end in mide/pine/anti depressants)
- medication overdose

Question 4

outline some ways conduction disturbances can lead to bradycardia

Answer 4

generally in older population, issues like AV blocks

Question 5

outline ways ectopic beats/re-entry circuits can lead to bradycardia

Answer 5

another pacemaker takes over as the natural pacemaker of heart

Question 6

symptoms of bradycardia

Answer 6

lightheadedness, grey, diaphoretic, chest pain

Question 7

bradycardia in kids is usually caused by

Answer 7

hypoxia, hypovolemia, congenital disease

Question 8

management of bradycardia

Answer 8

1. 12 lead
2. find underlying cause if possible and treat that if there
3. threat if less then 40bpm with compromise
4. IVA + pads
5. ICP for atropine or interventions

Question 9

brady is most commonly caused by

Answer 9

myocardial ischemia, especially in SA/AV node ischemia

Question 10

why is treating bradycardia risk vs benefit

Answer 10

because increasing the HR increases the 02 demand

Question 11

how is bradycardia due to beta blocker overdose treated

Answer 11

high dose adrenaline