A 59-year-old patient is a plant manager. After the tax inspection of his plant he felt intense pain behind his breastbone irradiating to his left arm. 15 minutes later his condition came to normal. Which of the possible mechanisms of stenocardia development is the leading in this case?

Answer options

1. Coronary atherosclerosis
2. Intravascular aggregation of blood corpuscles
3. Coronary thrombosis
4. Functional heart overload
5. High catecholamine concentration in blood

Explanation

In the absence of any pathological history, the task of inspection could have increased catecholamine concentration in the blood due to activation of the sympathoadrenal system. This can lead to vasospastic, prinzmetal, variant or rest-angina, due to coronary artery spasm.