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Difference between Stable and Unstable Angina

Difference between Stable and Unstable Angina

There is a big difference between stable and unstable angina. Stable angina is chest pain that comes and goes with activity, while unstable angina is a more serious condition in which the chest pain does not go away with rest. Both conditions are caused by coronary artery disease, but stable angina can be managed with lifestyle changes, medication, and/or surgery, while unstable angina requires more aggressive treatment. If you are experiencing chest pain, it is important to see your doctor to determine if it is stable or unstable angina.

What is Stable Angina?

  • Stable Angina is a type of chest pain that arises due to reduced blood flow to the heart. This condition usually occurs after physical exertion or emotional distress and it can persist for up to 10 minutes.
  • Stable Angina is considered a warning sign of future heart attacks, as it indicates that the coronary arteries are becoming increasingly restricted by fatty deposits.
  • Therefore, if someone experiences Stable Angina on a regular basis, they must discuss this with their doctor so that any required preventive action can be taken. With prompt treatment, Stable Angina can be effectively managed through lifestyle changes and/or medication.

What is Unstable Angina?

Unstable Angina is a type of chest pain caused by a reduction in the blood flow to the heart. Unstable angina is more severe than stable angina and typically occurs with strenuous activities such as exercise. Unstable angina can also happen unexpectedly, even when the person is at rest. Without the proper diagnosis and treatment, Unstable Angina can be very serious and potentially lead to a heart attack or death. For this reason, it is important for anyone who experiences Unstable Angina to seek medical attention immediately.

Difference between Stable and Unstable Angina

Stable angina and unstable angina are two very different conditions related to heart problems. Stable angina is caused by a reduced flow of oxygen-rich blood to the heart, usually during moments of physical or mental stress such as exercise.

  • Its symptoms include chest pain or discomfort that may extend to the lower arm and neck. Stable angina can often be managed with lifestyle changes and medications, allowing sufferers to continue leading an active lifestyle with minimal limitations.
  • Unstable angina on the other hand is not caused by any type of activity and it occurs when there develops an acute blockage in one of the major coronary arteries.
  • This increases the risk of having a sudden cardiac event like cardiac arrest, making it considered more serious than stable angina. To prevent complications associated with unstable angina, prompt treatment is essential; usually including medication and sometimes surgery.


Angina is chest pain that occurs when not enough oxygen reaches the heart. The two main types of angina are stable and unstable. Unstable angina is a more serious condition that requires immediate medical attention. Knowing the difference between stable and unstable angina can help you get the care you need quickly if you experience chest pain.

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