23rd September 2021

An 11-year-old female is brought to the emergency department with worsening shortness of breath

An 11-year-old female is brought to the emergency department with worsening shortness of breath over the last few days. She feels as if she cannot breathe if she lies down. She has no coryzal symptoms or fever. She has a past medical history of Ebstein’s anomaly. There is no significant past family history. On examination, there is a pansystolic murmur, bibasal crepitations, as well as sacral and ankle oedema.

Which of the following is the most appropriate next step in management?

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