What are four syndromes occur during the progression of colonary heart disease
1. Acute coronary syndrome (ACS) - A sudden reduction or stoppage of blood flow to the heart, often caused by a blood clot.
2. Stable angina - Chest pain or discomfort that occurs when the heart muscle does not receive enough oxygen-rich blood, typically during physical exertion or stress.
3. Unstable angina - A more serious form of angina that occurs randomly and can worsen over time, often indicating an impending heart attack.
4. Myocardial infarction (heart attack) - Complete blockage of blood flow to part of the heart muscle, leading to the death of heart tissue. Symptoms include chest pain, shortness of breath, and nausea.