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Cardiology services

As one of Australia’s largest pathology practices, Sullivan Nicolaides Pathology provides a range of cardiac investigation and diagnostic services including ambulatory blood pressure monitoring, Holter monitoring and electrocardiograms.

With trained staff conveniently located in collection centres across Queensland, northern New South Wales and the Northern Territory, you can access our services with minimal waiting time.

Services currently include:

Detailed information about these tests can be found below.

2023 Christmas closures

Please note that our Cardiology services will close from 5 pm, Friday 22 December 2023 (AEST).

Services will resume from 8 am on Tuesday 2 January 2024 (AEST).

Ambulatory blood pressure monitoring (ABPM)

A step-by-step guide for patients on having ABPM performed, including FAQs, troubleshooting and more.

Electrocardiogram (ECG)

A step-by-step guide on what to expect when having an ECG, including FAQs, help guides and patient resources.

Holter monitoring

A comprehensive guide for what to expect when being tested using a Holter monitor, including FAQs, help guides and patient resources.



If you think you might be having a heart attack, call 000 immediately.

The most common heart attack warning signs are:

  • Chest discomfort and/or pain in the jaw, arm, or back.
  • Dizziness, light-headedness, feeling faint or feeling anxious.
  • Nausea, indigestion, vomiting.
  • Shortness of breath or difficulty breathing.
  • Sweating or a cold sweat.

More information can be found on The Heart Foundation Australia website.

Updated Thursday, 23 November 2023