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6th March 2024

A 42-year-old shop assistant presents to ED feeling light-headed.

A 42-year-old shop assistant presents to ED feeling light-headed. Her ECG shows coarse, regular p waves with a rate of around 300/min and a regular ventricular rate of 150/min. There are no other features of note. What is the likely arrhythmia causing her symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.

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