Dr Shannon graduated with Honours from the Queen's University Belfast in 2002, after gaining a number of undergraduate prizes. She began her cardiology training at the Royal Victoria Hospital in Belfast, including a period of clinical research leading to the award of an MD. She then completed a highly prestigious fellowship in Milan, under the mentorship of Dr Antonio Colombo, a world authority in interventional cardiology. Through this, she gained unparalleled experience in coronary and structural intervention including transcatheter valve procedures. She returned from Milan to complete her training at Imperial College London with a further fellowship in Interventional Cardiology at the Hammersmith Hospital. Dr Shannon took up a Consultant post at Frimley Park Hospital in October 2012.
Dr Shannon is a Cardiologist with a particular interest in ischaemic heart disease, especially coronoary angioplasty and stenting for both stable angina and the emergency treatment of myocardial infarction. She also has an interest in structural intervention including PFO/ASD closures and in transcatherter valve procedures for patients considered high-risk candidates for convential open heart surgery. In addition she has expertise in cardiac CT as a diagnostic tool in the assessment of patients with chest pain.