Cardioversion Conundrum

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Question 1 of 3

1. Question
In your risk assessment of this patient following the history, examination and ECG, which one of the following is most appropriate?
- The patient should have continuous cardiac monitoring and regular observations.
- The patient is at high risk of cardiac arrest.
- Chemical cardioversion is contra-indicated because this will jeopardise his forthcoming ablation.
- Electrical cardioversion is contra-indicated because the patient has not been anti-coagulated.
- The patient may be discharged following reinstatement of his beta blocker.
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Question 2 of 3

2. Question
In order to effectively manage this patient’s tachycardia, you need to assess the cardiac rhythm. Which of the following options are true? (Select all that apply)
- Atrial flutter with 2:1 block is the most likely rhythm.
- Junctional tachycardia is a differential diagnosis.
- Valsalva manoeuvre may aid assessment of the underlying rhythm.
- The origin of this arrhythmia is supraventricular.
- Atropine may be used to aid assessment of the underlying rhythm.
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Question 3 of 3

3. Question
You decide to attempt chemical cardioversion with adenosine. Unfortunately, this is unsuccessful and you progress to electrical cardioversion. Which of the following options are true? (Select all that apply)
- Adenosine should be administered by slow intravenous infusion with cardiac monitoring.
- Adenosine has a half-life of 15 minutes.
- An initial biphasic shock of 50-100J is appropriate.
- Electrical cardioversion is performed with 300-360J under conscious sedation.
- 6mg,12mg,18mg of intravenous adenosine is an appropriate regime for attempted chemical cardioversion.
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Cardioversion Conundrum

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