Adenosine Flashcards
Adenosine:
Classification -
1. ___
Classification -
1. Antiarrhythmic
Adenosine:
Action -
1. ___
2. ___
Action -
- Acts on AV node to slow conduction.
- May inhibit reentry pathways.
Adenosine:
Onset of Action -
1. ___
Onset of Action -
1. Immediate
Adenosine:
Duration of Action -
1. ___
Duration of Action -
1. Less than one minute.
Adenosine: Indication - 1. \_\_\_ 2. \_\_\_ 3. \_\_\_
Indication -
- Conversion of stable narrow complex SVT to sinus rhythm.
- Conversion of unstable narrow complex reentry tachycardia to sinus rhythm.
- Regular and monomorphic wide complex tachycardia, thought to be or previously defined to be reentry SVT.
Adenosine:
Contraindication -
1. ___
2. ___
Contraindication -
- Second and third degree heart blocks, sick sinus syndrome, unless patient has a pacemaker.
- Hypersensitivity to adenosine.
Adenosine: Use with Caution - 1. \_\_\_ 2. \_\_\_ 3. \_\_\_ 4. \_\_\_ 5. \_\_\_ 6. \_\_\_
Use with Caution -
- May produce transient first, second, and third degree blocks or asystole for 10-15 seconds.
- Asystolic pause may be longer in patients on Tegretol (carbamazepine) or Persantine (dipyridamole).
- Patients taking theophylline or caffeine may require higher doses.
- Patients with asthma may experience bronchoconstriction.
- May be used with wide QRS complex SVT at direction of Base Station. Its use may cause acceleration of the rate.
- It is ineffective in atrial fibrillation or flutter, and ventricular tachycardia.
Adenosine:
Dosage and Administration -
1. (IV Best Practices)
Dosage and Administration -
1. Place IV in antecubital for best absorption using at least an 18 gauge catheter.
Adenosine:
Adverse Reaction -
1. (List of 16)
Adverse Reaction -
1. Common but transient: Asystole, Bradycardia (temporary), Palpitations, Hypotension, Dizziness, Blurred Vision, Dyspnea, Chest pain, Back/neck pain, Burning sensation, Tingling in arms, Numbness, Flushing, Sweating, Apprehension, Nausea.
Adenosine:
Dosage and Administration -
1. Adult: ___
Dosage and Administration -
1. Adult: 6 mg by rapid IV push over 1-3 seconds followed by a rapid NS flush 20 mL, then elevate extremity. If no response within 1-2 minutes, give 12 mg by same method as before.
Adenosine:
Dosage and Administration -
1. Pediatric: ___
Dosage and Administration -
1. Pediatric: 0.1 mg/kg up to 6 mg rapid IV push over 1-3 seconds followed by a rapid NS flush of 5-10 mL. If no response within 1-2 minutes, give 0.2 mg/kg up to 12mg by the same method as before.