Acute Coronary Syndrome
Acute coronary syndrome is an umbrella term for conditions where blood supply to the heart muscle is suddenly blocked or severely reduced. It includes unstable angina and both types of heart attack (NSTEMI and STEMI). It is a medical emergency requiring immediate care.
Key points
- The term covers unstable angina and both forms of heart attack, all triggered by a sudden, severe reduction in blood flow to the heart.
- People with diabetes sometimes experience milder or unusual symptoms rather than the classic chest pain and radiating discomfort.
- Restoring blood flow and preventing further clotting are the immediate priorities, with antiplatelet medicines playing a central role.
- Longer-term care continues with statins, beta-blockers and similar heart medicines alongside changes such as quitting smoking.
Warning signs to act on immediately
Classic symptoms include chest pain or pressure, pain radiating to the left arm, jaw, or back, shortness of breath, sweating, and nausea. Some people, particularly those with diabetes, experience atypical or mild symptoms. As cardiovascular disease rates rise and younger populations are increasingly affected, recognising these signs early is critical. If any of these occur, call emergency services without delay.
How acute coronary syndrome is managed
Immediate treatment focuses on restoring blood flow, preventing clotting, and protecting heart muscle. Antiplatelet medicines are central to this; ticagrelor is one of the key agents used after a confirmed event to reduce the risk of a further blockage. Long-term management continues with medicines from the heart and blood pressure category, including statins, beta-blockers, and ACE inhibitors, alongside lifestyle changes such as smoking cessation, diet, and structured exercise.