Viva 2

You are part of a multi-disciplinary team that assesses high-risk cardiac surgical patients. You have 
been asked to assess an 84-year-old female with symptomatic severe aortic stenosis for aortic valve 
replacement. She has had coronary artery bypass surgery 10 years ago and femoro-popliteal artery 
bypass surgery 4 years ago. She has treated hypertension, diabetes, emphysema and chronic kidney 
What further information / investigations would you obtain and why?