Can angina occur in cases of lack of heart disease?

Can angina occur in cases of lack of heart disease? Can angina take place under the protection of the question in cases of lack of heart disease? The answer is in rare cases. The angina can occur in the absence of any heart disease. People with a heart valve problem called aorta stenosis suffer from a decrease in blood flow from the heart to cavalry. People with severe anemia can develop angina because their blood does not carry enough oxygen. People who have thick heart muscles need more oxygen and may suffer from angina if they do not get enough oxygen.