Adenosine/Amiodarone Flashcards
1
Q
when should you use amiodarone
A
VT and VF if cardioversion fails
2
Q
how does amiodarone work
A
blocks K+ channels
3
Q
describe the half lives of amiodarone and adenosine
A
adenosine - short (10s)
amiodarone - long (20-100 days)
4
Q
what should you do for narrow complex tachycardias
A
vagal manouvers
adenosine
Calcium channel blockers
Beta blockers
5
Q
give some side effects of amiodarone
A
- bradycardia
- proarrhythmic
- liver fibrosis
- peripheral neuropathy
- pulmonary fibrosis
- thyroid dysfunction
- slate grey appearance
6
Q
how does adenosine work
A
binds to AI receptors in the SA and AV nodes
7
Q
give some side effects of adenosine
A
flushing due to vasodilation
dyspnoea due to stimulation of resps
chest pain
8
Q
how can you reverse the effects of adenosine
A
aminophylline
