What should you know about acs unstable angina?

It may cause new chest pressure, tightness or discomfort, symptoms at rest, or an established angina pattern that becomes more frequent, severe or difficult to relieve. A heart attack can feel similar, so symptoms alone cannot safely distinguish them.

The heart muscle depends on coronary arteries for oxygen-rich blood. In unstable angina, a sudden reduction in that supply causes warning symptoms without the pattern of heart-muscle injury used to diagnose a heart attack. Clinicians still treat it as time-sensitive because the blockage can worsen. Discomfort may spread to an arm, shoulder, jaw, neck, back or upper abdomen and may occur with breathlessness, sweating, nausea, dizziness or unusual weakness.

Stop exertion, sit or lie somewhere safe, and call UAE emergency services for new, worsening or resting chest discomfort. Do not drive yourself. If you have a prescribed angina action plan, follow it while help is coming, but do not delay the emergency call to see whether symptoms settle. At hospital, the team may perform an electrocardiogram, repeat blood tests, monitor the heart and choose medicines or a procedure according to the findings.

Call emergency services immediately for chest pressure, squeezing, heaviness or tightness that is new, occurs at rest, persists, returns, or differs from your usual angina. Treat breathlessness, fainting, a cold sweat, marked weakness or pain spreading beyond the chest as additional warning signs. Symptoms can be less typical in some people, so sudden unexplained breathlessness, nausea or profound fatigue also warrants urgent assessment when a heart problem is possible.

Once the immediate danger has been assessed, ask what the ECG and blood tests showed, whether further coronary imaging is needed, and which symptoms should trigger another emergency call. Confirm how to take each medicine, what to do after a missed dose, and whether blood-pressure or cholesterol treatment needs adjustment. Also ask when you may resume driving, work and exercise, and whether cardiac rehabilitation is suitable.