What should you know about the Diamond approach to angina?

The Diamond approach to angina is not a standard diagnosis; suspected angina needs structured assessment of chest symptoms and heart risk. Angina is discomfort caused when the heart muscle does not receive enough oxygen-rich blood during exertion or stress. It may feel like pressure, tightness, squeezing or burning, and can spread to the arm, jaw, back or shoulder.

A clinician asks what brings the discomfort on, how long it lasts, what relieves it and whether breathlessness, sweating, nausea or dizziness occur. Hypertension and other cardiovascular risks can increase concern, but chest tightness also has non-cardiac causes. An examination and an electrocardiogram may be used, with further testing decided from the overall picture.

Stop and rest when exertional chest discomfort begins, and follow any personalised medicine plan already prescribed. Record the activity, sensation, duration and associated symptoms for the clinician. Arrange a prompt assessment for new or changing symptoms. Treatment may include blood pressure medication, cholesterol-lowering treatment such as statin therapy, lifestyle measures or other care matched to the cause.

Call emergency services for chest discomfort that is severe, new, persistent or occurring at rest, especially with breathlessness, sweating, fainting, nausea, marked weakness or pain spreading to the arm, jaw or back. Do not wait to see whether it settles or drive yourself. A known angina pattern that becomes more frequent, lasts longer or responds less well to the usual plan also needs urgent review.

Ask whether your symptoms fit angina, which tests are appropriate, how blood pressure and cholesterol affect your plan, what medicine instructions to follow, and which changes require emergency help.