Women who complain about chest pain but whose heart attack went undiagnosed have scars on their heart indicating that they experienced a heart attack.
A study at the National Institutes of Health finds that myocardial scars reveal an undiagnosed heart attack in at least 8 percent of women who complained of chest pain.
Heart Attack- Lifestyle risks
Heart attack is the death of the heart muscle due to loss of blood supply. Simple guidelines to avoid heart attack are listed.
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‘The Second Annual Go Red for Women Issue revealed that heart attack, even though prevalent among women, is frequently undiagnosed. The study finds myocardial scar among many women who were not diagnosed with heart attack, indicating that these women have experienced prior heart muscle damage.’
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"This study proves that women need to be taken seriously when they complain of chest pain, even if they don't have the typical symptoms we see in men," said Janet Wei, MD, the first author of the study. "Too often, these women are told they don't have a heart problem and they are sent home instead of receiving appropriate medical care."
The study is part of the ongoing Women's Ischemic Syndrome Evaluation (WISE) study, a multiyear, multicenter research project. Sponsored by the National Heart, Lung, and Blood Institute, the study began in 1997 and has brought to light gender-related differences in heart disease.
![Heart Attack]( "Heart Attack")
Heart attack is the death of the heart muscle due to loss of blood supply. Heart disease is the leading cause of death in the United States. Other names for heart attack include acute myocardial infarction, coronary thrombosis, and coronary occlusion.
The study looked at women who had complained of chest pain and had no coronary artery blockages. Results include:
Men with heart disease are more likely to have major plaque build-up in the major arteries bringing blood to the heart. A heart attack occurs when plaque causes blood flow to decrease or stop.
The WISE study has revealed that women who don't have blockages in their major heart arteries, but who experience chest pain might have microvascular dysfunction in the tiny vessels around the heart. That condition can go undetected because typical heart attack tests, such as an electrocardiogram, often don't detect microvascular dysfunction.
"We are finding that either these women are not being tested because doctors think they are at low-risk or that the tests doctors are ordering are not picking up these small heart attacks," Wei said.
As a result of the study, Wei and Bairey Merz are collaborating with Jennifer Van Eyk, Ph.D, a renowned expert in the study of proteins, including troponin, a protein that appears in the blood after a heart attack.
"By developing highly sensitive tests to detect previously unknown biomarkers, we may pinpoint and even prevent cardiovascular disease in women," Van Eyk said.
Source: Eurekalert
Heart Attack
Heart attack is the death of the heart muscle due to loss of blood supply. Heart disease is the leading cause of death in the United States. Other names for heart attack include acute myocardial infarction, coronary thrombosis, and coronary occlusion.
Advertisement
The study looked at women who had complained of chest pain and had no coronary artery blockages. Results include:
- Of the 340 women who underwent cardiac magnetic resonance (CMR), a detailed imaging scan of the heart, 26, or 8 percent, were found to have myocardial scar, indicating the women had experienced prior heart muscle damage.
- Approximately one-third of those 26 women were never diagnosed with a heart attack, even though their cardiac scans indicated they had heart muscle damage
- Of the 179 women who underwent a one-year follow-up CMR, 2 women, or 1 percent were found to have myocardial scar that wasn't there the year before; both of these women had interim hospitalizations for chest pain but were not diagnosed with heart attacks.
Men with heart disease are more likely to have major plaque build-up in the major arteries bringing blood to the heart. A heart attack occurs when plaque causes blood flow to decrease or stop.
The WISE study has revealed that women who don't have blockages in their major heart arteries, but who experience chest pain might have microvascular dysfunction in the tiny vessels around the heart. That condition can go undetected because typical heart attack tests, such as an electrocardiogram, often don't detect microvascular dysfunction.
"We are finding that either these women are not being tested because doctors think they are at low-risk or that the tests doctors are ordering are not picking up these small heart attacks," Wei said.
As a result of the study, Wei and Bairey Merz are collaborating with Jennifer Van Eyk, Ph.D, a renowned expert in the study of proteins, including troponin, a protein that appears in the blood after a heart attack.
"By developing highly sensitive tests to detect previously unknown biomarkers, we may pinpoint and even prevent cardiovascular disease in women," Van Eyk said.
Source: Eurekalert
Coronary Heart Disease
In coronary heart disease, blood is unable to flow through blocked arteries. The main symptom is chest pain or angina. Treatment is with medications or surgery.
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 Respiratory DiseasesRespiratory diseases affect any part of the respiratory system. Some of the lung diseases like chronic obstructive pulmonary disease can lead to respiratory failure. | Advertisement
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