27th August 2020

During the examination of a baby with breathlessness, an ejection systolic murmur, loudest in the upper right sternal edge with radiation to the carotid arteries is heard

During the examination of a baby with breathlessness, an ejection systolic murmur, loudest in the upper right sternal edge with radiation to the carotid arteries is heard. 

Which THREE of the following are appropriate investigations for this baby? Select THREE options only.