What should you know about angina pectoris?

People may describe pressure, squeezing, heaviness, burning, or tightness in the chest. The sensation can spread to the arm, shoulder, neck, jaw, or back, and may occur with breathlessness, sweating, nausea, or unusual tiredness. A chest-tightness episode can have several causes, so symptoms should not be self-diagnosed.

Stable angina commonly follows a predictable pattern, such as appearing while walking uphill and easing with rest. New, worsening, or unpredictable discomfort may signal a more serious problem and needs prompt medical assessment. High blood pressure can contribute to the blood-vessel changes associated with angina.

Stop the activity, sit upright, and rest. If a clinician has prescribed a fast-acting angina medicine, use it exactly as directed. Do not drive yourself if symptoms are severe or persistent. Arrange a medical review for repeated discomfort, even when it settles, because an assessment may include an ECG and checks for blood pressure and cholesterol-related risk.

Call emergency services immediately for chest pressure or tightness that is severe, lasts longer than expected, occurs at rest, or does not improve with the prescribed plan. Seek urgent help as well for fainting, marked breathlessness, cold sweating, confusion, or discomfort spreading to the arm, jaw, or back. These warning signs require rapid assessment rather than observation at home.

Ask what pattern of symptoms should prompt emergency help, whether you need an ECG or other tests, how activity should be adjusted, and how prescribed medicines fit together. Bring a record of when discomfort starts, what you were doing, how long it lasts, and what makes it settle.