Micro vascular Angina

This type of angina, or chest pain, may be a symptom of coronary micro vascular disease (MVD). Coronary MVD is heart disease that affects the heart’s smallest coronary artery blood vessels. A medication called imipramine, at low doses, has anti-pain properties and reduces chest pain in some patients with micro vascular angina. Hormone replacement therapy (HRT) is beneficial to some women with micro vascular angina, especially if their chest pain is associated with hot flushes. Causes of micro vascular angina: Spasms within the walls of these very small arterial blood vessels causes reduced blood flow to the heart muscle leading to a type of chest pain referred to as micro vascular angina. A type of cardiovascular disease known to physicians as micro vascular angina affects the heart's tiniest arteries and causes chest pain. The disease is sneaky, in that it doesn't show up on traditional heart scans but is linked to serious health outcomes, like heart attacks. The pain of micro vascular angina is triggered either by a spasm in the tiny arteries within the heart muscle, by their failure to dilate and increase blood flow in response to stress, or a combination of both.

Symptoms of micro vascular angina: Angina that occurs in coronary MVD may differ from the typical angina that occurs in heart disease in that the chest pain usually lasts longer than 10 minutes, and it can last longer than 30 minutes. The most commonly used tests to look for coronary micro vascular dysfunction include invasive functional coronary angiography, cardiac magnetic resonance imaging, or positron emission tomography (PET). The latter 2 types of imaging studies are non-invasive (they do not require any instruments in the body). Micro vascular angina occurs in both men and women, although only about one patient in every nine treated is male. Most of the women with micro vascular angina are post-menopausal – symptoms commonly start in the early 50's.

Symptoms of micro vascular angina:

Angina that occurs in coronary MVD may differ from the typical angina that occurs in heart disease in that the chest pain usually lasts longer than 10 minutes, and it can last longer than 30 minutes. If you have been diagnosed with MVD, follow the directions from your healthcare provider regarding how to treat your symptoms and when to seek emergency assistance.

The pain or discomfort:

• May be more severe and last longer than other types of angina pain
• May occur with shortness of breath, sleep problems, fatigue, and lack of energy
• Often is first noticed during routine daily activities and times of mental stress

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