Dr Clive Low

Interventional Cardiologist, MB ChB, FRACP

Dr. Clive Low is an experienced cardiologist with special expertise in coronary angiography, angioplasty and stenting, heart rhythm disturbances, hypertension, heart failure and preventative cardiology. After graduating with Distinction in Internal Medicine from the University of Otago Medical School, Clive went on to study cardiology in Christchurch, Dunedin and London. He has also attended the Advanced Angioplasty Course at the Mid America Heart Institute in Kansas City.

Clive maintains an interest in Complex Coronary Angioplasty including Chronic Total Occlusion (CTO) treatment and is a member of the NZ International Cardiology Group and it’s bifurcation and CTO groups.

Clive is the founding chairman of Heart Center and of Heart Vision. Heart Center provides hospital-based cardiac services at St George’s Hospital and Heart Vision provides non-invasive imaging with the Pacific Radiology Group (PRG).

Dr Timothy Hii

MB. ChB (Otago). FRACP

Consultant Cardiologist

Dr Timothy Hii is a graduate of the University of Otago Medical School. He undertook Registrar training in Internal Medicine and advanced training in Cardiology in Christchurch.  After completing his Cardiology training, Dr Hii undertook further training in Echocardiography at Christchurch Hospital.

Before joining Heart Specialists, Tim was working as a Cardiologist at Palmerston North Hospital.

Tim’s main focus is on clinical management of heart disease along with Coronary Angiography and Echocardiography. Tim provides his Echocardiography (including Transoesophageal Echocardiography) to the Christchurch District Healthboard.


Helen Macdonald

Registered Nurse

Helen joined the Heart Specialists team in 2013 and is the person you will see if you need to undergo any diagnostic tests. A strong advocate for patient education, Helen ensures that you will leave the clinic armed with a wealth of information and techniques to keep your heart and body healthy.

Helen has a background in occupational health and has previously worked in the Acute Medical Ward at Christchurch Public Hospital. She is currently studying towards a Diploma in Holistic Health, an area that she has strong interest in.

“Our patients benefit from good teamwork and knowledgeable staff, providing a generally excellent service!”

Nadia Williams

Registered Nurse



Lynette Shekleton

Cardiac Physiologist

If you are coming to Heart Specialists for an echocardiogram you will be seeing Lynette, a qualified cardiac physiologist with more than 20 years experience.

Lynette initially trained at Dunedin Hospital and has since worked at several centres throughout New Zealand.

She has been with Heart Specialists for more than five years and is a key member of our diagnostic team.