Adenosine

Question 1

Adenosine (Adenocard)

Class

Answer 1

Antidysrhythmic

Question 2

Adenosine (adenocard)

Action

Answer 2

Slows conduction through AV node.

Inhibits reentry pathways through SA and AV node.

Question 3

Adenosine (adenocard)

Indication

Answer 3

SVT

PSVT

Question 4

Adenosine (adenocard)

Dose/route

Answer 4

6mg RAPID IV bolus followed by 10ml NS flush. MR

12 mg RAPID IV bolus followed by 10ml NS flush q 2 min if no change.

Question 5

Adenosine (adenocard)

Peds Dose

Answer 5

1st dose= 0.1 mg/kg RIVP to max 6mg follow with 10ml NS flush.
MR 2nd dose at 0.2 mg/kg RIVP to max 12mg follow with 10ml NS flush.

Question 6

Adenosine (adenocard)

Onset

Answer 6

20-30 sec

Half-life is 10sec

Question 7

Adenosine (adenocard)

Contra

Answer 7

Atrial fib/flutter
V-tach
2nd & 3rd degree AV block

Question 8

Adenosine (adenocard)

Adverse effects

Answer 8

CNS= Blurred vision, Burning sensation, Dizziness, Neck pain, Tingling in arms.

CV= Chest pain, Facial flushing, Hypotension, Transient bradycardia / Asystole, Arrythmias.

GI= Metallic taste, Nausea

RESP= Hyperventilation

Question 9

Adenosine (adenocard)

Precautions

Answer 9

1) Use large proximal vein to establish IV
2) Monitor EKG, heart rate and blood pressure q 15-30 sec for several minutes post admin.
3) Use supplemental O2
4) The solution must be clear at time of use, discard if discolored.
5) May cause bronchoconstriction in patients with asthma.

Question 10

Adenosine (adenocard)

Supplied

Answer 10

6mg/2ml vial or preload

12mg/4ml preload