Welcome to Heart Specialist International
We provide heart screening, diagnostic investigation and cardiology treatments to a full range of heart problems.
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We strive to treat each and every one of our patient with sincerity and integrity.
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Your Health First And Always
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Our Cardiologist

Dr. Paul Ong

Senior Consultant Cardiologist

Senior Interventional Cardiologist

Cardiologist - Dr Paul Ong

Dr Ong graduated with honours from the University of Cambridge and pursued his cardiology specialist training in London. He was appointed NHS cardiology consultant and Cathlab Director at the Lister Hospital and the Royal Brompton and Harefield NHS Trust in 2006.

After 23 years in England, Dr Ong moved to Singapore in 2009 and headed the Interventional Cardiology Service at Tan Tock Seng Hospital for more than a decade.

Heart Diseases

Information on Heart Diseases & its Symptoms.

Heart Investigations

Investigations offered for Heart Health Diagnosis

Heart Screening

Detection of early signs of heart problems.

Heart Treatments

Heart Specialist International provides comprehensive Diagnosis of Cardiac Problems,
we offer full range of cardiology investigation and treatment.

Coronary Angioplasty (PCI)

This is carried out after a coronary angiogram has been done and the full extent of your coronary disease is known.

Coronary Artery Bypass Surgery (CABG)

In CABG, the surgeon grafts a few new vessels and literally bypass the existing blockage. Let us imagine an everyday scenario

Coronary Atherectomy

Calcification (deposition of calcium) of the blood vessel wall is part of atherosclerosis. It is often seen in patients who have diabetes...

Pacemaker and Implantable Defibrillator (PPM/AICD)

A pacemaker is recommended to patients with abnormally slow heartbeat that result in black out.

Renal Denervation

This is a minimally invasive procedure to treat recalcitrant high blood pressure…

Robotic Coronary
Angioplasty

Coronary angioplasty involved placing of balloons and stents inside a blocked artery.

General Cardiology Services

  • ECG
  • 24H/48H ECG Holter Monitoring
  • ECG Event Recording
  • Signal Average ECG (SAECG)
  • 24H Ambulatory Blood Pressure Monitoring
  • Treadmill Exercise Stress Test
  • Echocardiogram
  • CT Coronary Angiogram
  • Evaluation for Myocardial Perfusion Study

Interventional Cardiology

  • Coronary Angiogram
  • Coronary Angioplasty & Coronary Stenting
  • Coronary Atherectomy
  • FFR (Fractional Flow Reserve Measurement)
  • OCT (Optical Coherence Tomography)
  • Renal Denervation
  • Robotic Coronary Angioplasty

Advanced Cardiac Imaging
(Echo and Cardiac MRI)

  • Tissue Doppler Imaging
  • Contrast Echo Study
  • Cardiac MRI
  • MRI Carotid Arteries (Stroke Screening)
  • Doppler Carotid Arteries

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