Cardiovascular Assessment

A cardiovascular assessment is a structured evaluation of heart and vascular risk. It may include clinical history, blood pressure, blood markers, coronary calcium scoring, CT coronary angiography, carotid Doppler ultrasound, brain vascular imaging or other tests depending on the patient’s risk profile and symptoms. The key is that each test answers a different question.

Cardiovascular disease is one of the leading causes of life years lost in Australia. A proper cardiovascular assessment will assist in minimising your risk of cardiac associated health issues.

MBR Health provides imaging-led cardiovascular assessment on the Gold Coast in Queensland. Assessment may include coronary calcium scoring, CT coronary angiography, carotid Doppler ultrasound, brain MRI, brain angiography and other targeted imaging depending on the clinical question.

A coronary calcium score is a low-dose CT scan that measures calcified plaque in the coronary arteries. It helps assess coronary atherosclerotic burden and may support cardiovascular risk stratification in selected patients. A calcium score is useful, but it does not show all plaque types and does not fully assess plaque vulnerability.

Coronary calcium scoring is available through selected radiology providers in Queensland. At MBR Health on the Gold Coast, coronary calcium scoring is performed using Spectral CT which provides calcified plaque detection alongside additional tissue information that a conventional CT calcium score cannot offer. Your score can be used as part of a broader cardiovascular assessment pathway, rather than interpreted as an isolated number.

Referral requirement depends on the type of cardiovascular assessment, the Medicare rebate eligibility and the provider. For selected cardiovascular screening tests such as coronary calcium score, a referral from a GP or specialist is recommended but not required. A referral is required for other cardiovascular health checks such as CT coronary angiography, MRI angiography and US carotid Doppler, as some of these are diagnostic imaging tests requiring IV contrast.. Contact our team to determine the most appropriate cardiovascular imaging pathway for your clinical context and goals.

CT coronary angiography, also called CTCA, is a CT scan using intravenous contrast (IV) to visualise the coronary arteries. Unlike a coronary calcium test, a CTCA is a diagnostic test that can assess coronary narrowing, plaque distribution and plaque type, including calcified and non-calcified plaque. CTCA is usually selected according to symptoms, a positive calcium score, individual risk profile, or specialist recommendation.

A coronary calcium score detects calcified plaque in the coronary arteries. It is a screening test rather than a diagnostic test — one that helps stratify cardiovascular risk and guide preventive planning. It can confirm that calcified atherosclerosis is present and quantify its burden, but it does not assess non-calcified plaque, coronary narrowing or plaque vulnerability. CT coronary angiography provides a more detailed assessment of the coronary arteries, including the vessel lumen, plaque morphology, coronary narrowing and both calcified and non-calcified plaque. It moves assessment from whether calcium exists to what kind of coronary disease may be present — and how significant it is. They are not interchangeable. They answer different questions. A calcium score may be the right starting point for risk stratification. CTCA may be appropriate when greater anatomical detail, plaque characterisation or coronary narrowing assessment is required.

Yes. A calcium score of zero means no calcified plaque was detected, but it does not completely exclude non-calcified plaque, particularly in younger patients or earlier phases of coronary artery disease. This is why calcium scoring should be interpreted in clinical context rather than treated as a complete clearance test.

CT coronary angiography is not a default screening test for every asymptomatic person. It requires intravenous contrast, involves radiation and should be selected according to clinical context, symptoms, risk profile and expected benefit. For some patients, CTCA may provide important additional information. For others, a calcium score or other assessment may be more proportionate.

Yes. A stress test assesses whether blood flow is limited under stress. It does not necessarily show whether plaque is present in the coronary artery wall. A normal stress test can be genuinely reassuring for flow-limiting obstruction at the time of testing. However, many cardiovascular events arise from plaque that is non-obstructive, silent and functionally invisible under stress — until it destabilises. This is why structural imaging, such as coronary calcium scoring or CT coronary angiography, can provide important additional information in selected patients, particularly those with risk factors, family history or a strong personal interest in earlier cardiovascular assessment.

VO₂ max is a measure of cardiorespiratory fitness and physiological capacity. It is useful, but it is not a direct measure of coronary artery plaque or arterial wall disease. Importantly, high fitness can coexist with coronary plaque. A person can have an excellent VO₂ max, perform at a high level and still carry significant non-obstructive atherosclerotic burden that would not be detected by fitness testing alone. Coronary calcium scoring or CT coronary angiography, where appropriate, can provide assessment of the coronary arteries that fitness metrics cannot.

Carotid Doppler ultrasound is a non-invasive ultrasound examination that assesses blood flow through the carotid arteries in the neck. It can detect plaque, narrowing and altered flow patterns that may relate to stroke risk or broader vascular disease.

Brain MRI can show structural changes that may relate to vascular health, including previous silent infarcts, white matter disease and other brain findings. Brain angiography can assess selected blood vessels for narrowing, aneurysm or other vascular abnormalities. It does not replace a full cardiovascular assessment, but it can provide important information in selected patients.

There is no single best heart screening test for every patient. The best test depends on the question being asked. Blood markers estimate probability. Calcium scoring assesses calcified plaque burden. CT coronary angiography assesses coronary anatomy and plaque type. Stress testing assesses flow limitation. Echocardiography and cardiac MRI assess cardiac structure and function. A good cardiovascular assessment selects the right test for the right question.

Cardiovascular imaging may be considered for patients with a family history of early heart disease or stroke, high cholesterol, elevated lipoprotein(a), high blood pressure, diabetes, metabolic risk, smoking history, symptoms, abnormal prior testing or a desire for proactive prevention. Suitability depends on clinical assessment.

No assessment can guarantee prevention of a heart attack or stroke. The purpose of cardiovascular assessment is to identify risk, detect relevant disease where possible and guide earlier preventive action. The value lies in selecting the right test for the right patient and using the result to inform appropriate medical management.

Yes. MBR Health offers the Executive Preventive Health Program for organisations looking to provide executive health screening for their leadership teams. The program uses precision, multi-modality whole-body imaging to screen for cancer, cardiac, metabolic, neurological and musculoskeletal conditions within a single, integrated pathway. Tailored group offerings are available for organisations. Please enquire directly to discuss your team’s requirements.