Myocardial Infarction
Diagnosing heart attacks: There's an app for that
An experimental, inexpensive iPhone application transmitted diagnostic heart images faster and more reliably than emailing photo images, according to a research study presented at the American Heart Association's Quality ...
Cardiology
May 17, 2013 |
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Promising treatment for progeria within reach
Pharmaceuticals that inhibit a specific enzyme may be useful in treating progeria, or accelerated aging in children. A new study performed at the Sahlgrenska Academy indicates that the development of progeria ...
Diseases, Conditions, Syndromes
May 16, 2013 |
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n-3 fatty acids no benefit for high-risk cardio patients
(HealthDay)—For patients with multiple cardiovascular risk factors or atherosclerotic vascular disease who have not had a myocardial infarction, daily treatment with n-3 fatty acids does not reduce cardiovascular ...
Cardiology
May 09, 2013 |
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Researchers study under-recognised and under-treated prothrombotic condition: High platelet reactivity despite treatment
Within the past decade, the variability in pharmacodynamic response and moderate antiplatelet efficacy of clopidogrel has raised major concerns, in particular because it is associated with an increased risk for ischemic events ...
Cardiology
May 06, 2013 |
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Nephrologist follow-up improves mortality of severe acute kidney injury patients
Patients with acute kidney injury who see a nephrologist within 90 days of being discharged from a hospital have a 24 per cent lower risk of dying than those who do not see a kidney specialist, a new study has found.
Diseases, Conditions, Syndromes
Apr 30, 2013 |
5 / 5 (1) |
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Improving heart attack response time
While all heart attacks have the potential to be deadly, one type is referred to as the "widow maker" because of its high risk of death. A ST segment elevation myocardial infarction (STEMI) is a severe type of heart attack ...
Cardiology
Apr 29, 2013 |
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Study examines outcomes of use of beta-blockers around time of surgery for higher-risk patients
Patients at elevated cardiac risk who were treated with beta-blockers on the day of or following noncardiac, nonvascular surgery had significantly lower rates of 30-day mortality and cardiac illness, according to a study ...
Cardiology
Apr 23, 2013 |
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Using nitrous oxide for anesthesia doesn't increase—and may decrease—complications and death
Giving nitrous oxide as part of general anesthesia for noncardiac surgery doesn't increase the rate of complications and death—and might even decrease the risk of such events, according to a pair of studies in the May issue ...
Other
Apr 22, 2013 |
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Long-term exposure to fine particles of traffic pollution increases risk of heart disease
The association between road traffic and heart disease has been suggested in several studies. In 2012 a large prospective cohort study from Denmark showed that traffic noise was significantly associated with risk of heart ...
Health
Apr 18, 2013 |
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Patients who have STEMI heart attacks while hospitalized more likely to die
(Medical Xpress)—If you suffer a heart attack while walking down the street and are taken to the hospital quickly, your chances of survival are very good. But if you have a heart attack while already in the hospital for ...
Cardiology
Apr 17, 2013 |
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Outcomes for treating heart failure with cell therapy, high-dose ultrasound
Treatment that consisted of shock wave (procedure using high-dose ultrasound)-mediated preconditioning of the target heart tissue prior to administration of bone marrow-derived mononuclear cells was associated with significant, ...
Cardiology
Apr 16, 2013 |
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Adoption of healthy lifestyle low by individuals with CVD
Among patients with a coronary heart disease or stroke event from countries with varying income levels, the prevalence of healthy lifestyle behaviors (such as regular physical activity, eating a healthy diet, and not smoking) ...
Cardiology
Apr 16, 2013 |
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Factors weighing in on long-term diabetes survival studied
(HealthDay)—Those able to survive with type 2 diabetes (T2DM) for more than 40 years are more likely to have better glycemic control, lower blood pressure, and more favorable lipid profiles, according to ...
Diabetes
Apr 16, 2013 |
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L-carnitine significantly improves patient outcomes following heart attack
L-carnitine significantly improves cardiac health in patients after a heart attack, say a multicenter team of investigators in a study published today in Mayo Clinic Proceedings. Their findings, based on analysis of key co ...
Cardiology
Apr 12, 2013 |
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Mortality rates have increased at hospitals in rural communities for certain conditions
In an analysis that included data on more than 10 million Medicare beneficiaries admitted to acute care hospitals with a heart attack, congestive heart failure, or pneumonia between 2002 and 2010, 30-day mortality rates for ...
Health
Apr 02, 2013 |
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Myocardial infarction (MI) or acute myocardial infarction (AMI), commonly known as a heart attack, results from the interruption of blood supply to a part of the heart, causing heart cells to die. This is most commonly due to occlusion (blockage) of a coronary artery following the rupture of a vulnerable atherosclerotic plaque, which is an unstable collection of lipids (cholesterol and fatty acids) and white blood cells (especially macrophages) in the wall of an artery. The resulting ischemia (restriction in blood supply) and ensuing oxygen shortage, if left untreated for a sufficient period of time, can cause damage or death (infarction) of heart muscle tissue (myocardium).
Classical symptoms of acute myocardial infarction include sudden chest pain (typically radiating to the left arm or left side of the neck), shortness of breath, nausea, vomiting, palpitations, sweating, and anxiety (often described as a sense of impending doom). Women may experience fewer typical symptoms than men, most commonly shortness of breath, weakness, a feeling of indigestion, and fatigue. Approximately one-quarter of all myocardial infarctions are "silent", that is without chest pain or other symptoms.
Among the diagnostic tests available to detect heart muscle damage are an electrocardiogram (ECG), echocardiography, cardiac MRI and various blood tests. The most often used blood markers are the creatine kinase-MB (CK-MB) fraction and the troponin levels. Immediate treatment for suspected acute myocardial infarction includes oxygen, aspirin, and sublingual nitroglycerin.
Most cases of STEMI (ST elevation MI) are treated with thrombolysis or percutaneous coronary intervention (PCI). NSTEMI (non-ST elevation MI) should be managed with medication, although PCI is often performed during hospital admission. In people who have multiple blockages and who are relatively stable, or in a few emergency cases, bypass surgery may be an option, especially in diabetics.
Heart attacks are the leading cause of death for both men and women worldwide. Important risk factors are previous cardiovascular disease, older age, tobacco smoking, high blood levels of certain lipids (triglycerides, low-density lipoprotein) and low levels of high density lipoprotein (HDL), diabetes, high blood pressure, obesity, chronic kidney disease, heart failure, excessive alcohol consumption, the abuse of certain drugs (such as cocaine and methamphetamine), and chronic high stress levels.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
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