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Our three divisions


Cardiology involves the care of patients with complex heart problems, including arrhythmia (slow or fast heartbeats) and congenital heart disease. These problems can be life threatening, but advanced research and patient care are helping patients to live longer and improve their quality of life.

Sunnybrook's Cardiology Department and cardiologists are focused on interventional cardiac procedures, acute coronary syndromes, women's cardiovascular health and ambulatory care.

Arrhythmia services and our device clinic

The arrhythmia program consists of a multidisciplinary team dedicated to diagnosing and treating cardiac arrhythmia issues. Patients may require a pacemaker or an implantable cardioverter defibrillator (ICD), or complex electrophysiology mapping and ablation, a procedure for restoring normal heart rhythm, of cardiac tissue.

The Schulich Heart Centre features Toronto's first robotic arrhythmia invasive lab where patients with irregular heartbeats receive minimally invasive treatment to restore normal heart function. The new lab is home to a cutting-edge system from Stereotaxis that uses computerized, magnet-guided technology to enhance the precision and safety of heart procedures.

After your initial diagnosis and treatment, you'll receive follow-up care in the clinic over a number of years.

Cath labs (cardiac catheterization labs)

Sunnybrook's three cardiac cath labs provide a full range of contemporary diagnostic and interventional procedures, including an arrhythmia services program. Cases include treating ST Elevation Myocardial Infarction (STEMI 24/7), a type of heart attack involving a blocked coronary artery where patients benefit from treatment with primary percutaneous coronary intervention (PPCI), as well as elective procedures in stable patients.

» Video: Angiogram & angioplasty: what to expect

Left Atrial Appendage Closure »

An implantable heart device to reduce the risk of stroke in patients with atrial fibrillation provides an alternative to the use of blood thinners. Learn more »

Cardiac surgery

The field of cardiac surgery has been quickly evolving over the last several years. When many people hear "cardiac surgery" they think of "open heart" operations such as bypass surgery and valve replacements requiring splitting the chest open, using the heart and lung machine and stopping the heart. Sunnybrook's Division of Cardiac Surgery has been leading the way in using new technology and surgical techniques to allow procedures to be less invasive, safer and provide a faster recovery for patients.

In addition to the spectrum of common heart operations we perform:

Vascular surgery

Sunnybrook's Department of Vascular Surgery is dedicated to the evaluation and treatment of diseases and conditions affecting the arteries and veins. These diseases include life-threatening aneurysms and blockages that slow or stop blood flow to the brain, limbs and all vital organs. If untreated, blood vessel problems can result in serious damage, such as limb-loss, kidney failure or strokes.

Read more about Sunnybrook's commitment to vascular surgery