A patient has a regular narrow-complex supraventricular tachycardia and receives adenosine. Which administration technique is correct?
Correct answer: A. Give it as a rapid intravenous push followed by a flush
- A. Give it as a rapid intravenous push followed by a flush
- B. Give it as a slow intramuscular injection
- C. Infuse it slowly over several hours
- D. Give it orally with a full glass of water
Explanation
Adenosine has an extremely short half-life, so it is given by rapid intravenous push through a suitable line and followed immediately by a flush. Slow or non-intravenous administration may fail to deliver enough drug to the heart.
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About Emergency Drugs and Antidotes
Emergency pharmacology covers drugs used in cardiac arrest, shock, severe allergy, acute asthma, seizures, poisoning and hypoglycaemia, including adrenaline, atropine, naloxone, flumazenil and selected antidotes. The focus is on indications, routes, rapid adverse effects, dose safety and matching a toxic substance with its specific reversal agent.
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