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Unstable angina characteristics

How the structures involved in Angina differ from normal
Illustration: How the structures involved in Angina differ from normal

Short answer

Unstable angina is new, worsening, or rest-related chest discomfort that requires urgent medical assessment.

This answers one question. It is not a diagnosis and does not replace an assessment by a licensed doctor.

At a glance

Pattern
New, worsening, longer, or rest-related discomfort
Possible sensations
Pressure, heaviness, squeezing, burning, or tightness
Response
Stop activity and seek urgent assessment

Recognising the pattern

A stable pattern tends to appear with a predictable level of effort and improve with rest or prescribed treatment. Unstable angina can break that pattern: discomfort may begin with less activity, last longer, feel more intense, happen more often, or occur while resting. It may feel like pressure, heaviness, squeezing, burning, or tightness rather than a sharp pain.

Symptoms can spread to the arm, shoulder, back, neck, jaw, or upper abdomen. Breathlessness, sweating, nausea, dizziness, or marked tiredness can accompany the discomfort. These features need assessment because symptoms alone cannot distinguish unstable angina from a heart attack or another serious problem. Read more about [Angina](/conditions/angina/) and [Chest Tightness](/symptoms/chest-tightness/).

Practical next steps

Stop exertion and sit down when symptoms start. If the discomfort is new, changing, severe, or present at rest, seek urgent medical help rather than waiting for a routine appointment. Use prescribed angina medicine exactly as your clinician explained; never borrow someone else’s medicine.

In a clinical setting, an [Electrocardiogram](/treatments/diagnostics-and-screening/ecg/) and blood tests may be needed, sometimes with observation or repeat testing. Longer-term care may address blood pressure, cholesterol, smoking, diabetes, and other cardiovascular risks. Medicines such as [Statin Therapy](/treatments/medical-management/statin-therapy/) may be discussed when appropriate.

Red flags that need emergency help

Call emergency services for chest discomfort that is persistent, severe, worsening, or accompanied by breathlessness, fainting, cold sweating, vomiting, confusion, or spreading discomfort. Do this even if you are unsure whether it is angina. Do not drive yourself when symptoms could be cardiac.

Questions to bring

Ask how your current symptoms compare with stable angina, whether you need an electrocardiogram, what to do if symptoms return, and which medicines should be taken during an episode. Ask which changes in frequency, duration, or triggers should be reported immediately.

Find care

General Clinics & Polyclinics in Abu Dhabi

That answer is general. If you want it applied to your own case, these are licensed general clinics & polyclinics listed in Abu Dhabi.

City
See every listing in Abu Dhabi

Ordered by verification status and how complete each clinic's public record is, then alphabetically. This is a directory listing, not a ranking — Zavis does not rate or recommend providers.

A factual listing drawn from the DHA, DOH and MOHAP licence registers. It is not a referral, an endorsement, or advice that any of these providers is right for you.

Questions people ask

Can unstable angina happen without dramatic pain?

Yes. Some people mainly notice breathlessness, nausea, sweating, unusual fatigue, or pressure rather than severe pain.

Is unstable angina the same as a heart attack?

No, but both can be emergencies and may feel similar. Medical testing is needed to tell them apart.

Related

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Medical disclaimer. This page is general health information, not medical advice, and it cannot diagnose you. Always consult a licensed healthcare provider about your own symptoms and treatment. In an emergency in the UAE, call 998 for an ambulance.