Which of the following is true of figure

Which of the following is true of figure

image1?

a) This is a trace of sinus rhythm with atrial ectopics

b) A patient with this trace is likely to be unconscious

c) A patient with this trace is unlikely to have ischaemic heart disease

d) A patient with this trace may be on digoxin

Ans:

d) A patient with this trace may be on digoxin

Feedback:

This is a trace of atrial fibrillation. It is likely that the patient is on treatment with digoxin. The commonest underlying cause for atrial fibrillation is ischaemic heart disease.