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Topic: Myocardial infarction

Related Topics

Ischemic heart disease

Angina pectoris

Heart attack

Coronary heart disease

Angina

Chest pain

Cardiopulmonary resuscitation

Sudden cardiac death

Atherosclerosis

Cardiovascular disease

Infarction

Ventricular fibrillation

Atherosclerotic plaque

Ischaemic heart disease

Stunned myocardium

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	Myocardial Infarction
		The traditional concept that myocardial infarctions can be classified as transmural or nontransmural on the basis of the presence or absence of Q waves is misleading, since autopsy studies have demonstrated convincingly that pathologic Q waves may be associated with nontransmural infarction and may be absent with transmural infarction.
		Reference:Montalescot,G. and others,Platelet glycoprotein IIb/IIIa inhibition with coronary stenting for acute myocardial infarction,N.Engl.J.Med.,Vol.344,No.25.June 21,2001,PP.1895-903.
		Myocardial necrosis (i.e.MI) is said to be present if the maximal concentration of cTnT or cTnI exceeds the decision limit (99 percent of the values for a reference control group) on at least one occasion during the 24 hours after the index clinical event.
	www.rjmatthewsmd.com /Definitions/myocardial_infarction.htm (11222 words)

	Acute Myocardial Infarction
		Myocardial infarction occurs when myocardial ischemia exceeds a critical threshold and overwhelms myocardial cellular repair mechanisms that are designed to maintain normal operating function and hemostasis.
		Myocardial infarction is the leading cause of death in the United States (US) as well as in most industrialized nations throughout the world.
		As the duration of the occlusion increases, the area of myocardial cell death enlarges, extending from the endocardium to the myocardium and ultimately to the epicardium.
	www.clevelandclinicmeded.com /diseasemanagement/cardiology/acutemi/acutemi.htm (5049 words)

	Heart Attack \| Myocardial Infarction
		A heart attack or myocardial infarction is a medical emergency in which the supply of blood to the heart is suddenly and severely reduced or cut off, causing the muscle to die from lack of oxygen.
		More than 1.1 million people experience a heart attack (myocardial infarction) each year, and for many of them, the heart attack is their first symptom of coronary artery disease.
		A heart attack (myocardial infarction) is usually caused by a blood clot that blocks an artery of the heart.
	www.csmc.edu /5186.html (1280 words)

	BioMed Central \| Full text \| Myocardial bridging as a cause of acute myocardial infarction: a case report
		Myocardial bridging was observed in the mid segment of the left anterior descending coronary artery on coronary angiogram.
		Myocardial bridging usually has a benign prognosis, but some cases associated with myocardial ischemia, infarction, and sudden death have been reported [1-5].
		This is a case of acute myocardial infarction caused by coronary thrombosis in the setting of myocardial bridging.
	www.biomedcentral.com /1471-2261/2/15 (1420 words)

	Myocardial Infarction
		Occlusive intracoronary thrombus - a thrombus overlying an ulcerated or fissured stenotic plaque causes 90% of transmural acute myocardial infarctions.
		Acute myocardial infarction with rupture and tamponade, gross.
		Cardiac troponin I in the diagnosis of myocardial injury and infarction.
	www-medlib.med.utah.edu /WebPath/TUTORIAL/MYOCARD/MYOCARD.html (1837 words)

	Complications of acute myocardial infarction:
		Acute MR may occur abruptly from rupture of a left ventricular papillary muscle resulting in a flail mitral leaflet, usually the posterior leaflet.
		Pericarditis pain is distinguishable from infarct pain because of its pleuritic nature, radiation to the left trapezius ridge, and the associated low-grade fever and pericardial friction rub.
		The first step in management is to exclude potentially correctable causes of cardiogenic shock, such as RV infarction (treated with fluid infusions) or mechanical complications which may require surgical repair.
	www.brown.edu /Courses/Bio_281-cardio/cardio/handout4.htm (1324 words)

	Myocardial Infarction
		Occlusive intracoronary thrombus - a thrombus overlying an ulcerated or fissured stenotic plaque causes 90% of transmural acute myocardial infarctions.
		Acute myocardial infarction with rupture and tamponade, gross.
		Cardiac troponin I in the diagnosis of myocardial injury and infarction.
	library.med.utah.edu /WebPath/TUTORIAL/MYOCARD/MYOCARD.html (1837 words)

	eMedicine - Myocardial Infarction : Article by Drew E Fenton
		Myocardial infarction (MI) is the rapid development of myocardial necrosis caused by a critical imbalance between oxygen supply and demand of the myocardium.
		The appearance of cardiac markers in the circulation generally indicates myocardial necrosis and is a useful adjunct to diagnosis.
		For early detection of myocardial necrosis, sensitivity of this laboratory test is superior to that of the creatine kinase-MB (CK-MB).
	www.emedicine.com /EMERG/topic327.htm (8937 words)

	Complications of Acute Myocardial Infarction - Patient UK
		Recurrent infarction (infarction in a different artery) within 48 hours may occur in up to 40% of patients and can be difficult to diagnose.
		Myocardial creatine kinase (CK-MB) is more useful than troponins for tracking infarct extension or reinfarction because of its shorter half life.
		Most common with an infero-posterior infarction and may be due to ischaemia, necrosis, or rupture of the papillary muscle.
	www.patient.co.uk /showdoc/40001585 (1429 words)

	Acute Myocardial Infarction - Symptoms and Treatment
		Acute myocardial infarction commonly known as a heart attack, is a disease state that occurs when the blood supply to a part of the heart is interrupted.
		The word "infarction" comes from the Latin "infarcire" meaning "to plug up or cram." It refers to the clogging of the artery, which is frequently initiated by cholesterol piling up on the inner wall of the blood vessels that distribute blood to the heart muscle.
		Approximately one third of all myocardial infarctions are silent, without chest pain or other symptoms.
	www.health-care-articles.info /rare-diseases/acute-myocardial-infarction.htm (191 words)

	Arquivos Brasileiros de Cardiologia - Risk factors for acute myocardial infarction during the postoperative period of ... (Site not responding. Last check: )
		Acute myocardial infarction in the postoperative period is one of the possible complications of myocardial revascularization, and its incidence, depending on the criteria adopted to define it, ranges from 4 to 8%
		This study was performed with the primary purpose of identifying predictor risk factors for acute myocardial infarction in the postoperative period, and had the secondary purpose of assessing its incidence in the referred hospital and its influence on mortality and increased hospital stay.
		Possible predictive factors for acute myocardial infarction in the postoperative period were smoking status, dyslipidemia, systemic hypertension, diabetes mellitus, previous acute myocardial infarction, previous myocardial revascularization (performed between 3 and 10 years after the date of the last myocardial revascularization), or previous coronary angioplasties.
	www.scielo.br /scielo.php?script=sci_arttext&pid=S0066-782X2003000300008 (1493 words)

	Myocardial infarction - Wikipedia, the free encyclopedia
		The term myocardial infarction is derived from myocardium (the heart muscle) and infarction (tissue death due to oxygen starvation or ischemia).
		Acute myocardial infarction is usually characterized by varying degrees of chest pain, discomfort, sweating, weakness, nausea, vomiting, and arrhythmia, sometimes causing loss of consciousness and even sudden death.
		Myocardial rupture is most common three to five days after myocardial infarction, commonly of small degree, but may occur one day to three weeks later, in as many as 10% of all MIs.
	en.wikipedia.org /wiki/Myocardial_infarction (3508 words)

	THE MERCK MANUAL, Sec. 16, Ch. 202, Coronary Artery Disease
		RV infarction usually results from occlusion of the right coronary or a dominant left circumflex artery and is characterized by high RV filling pressure, often with severe tricuspid regurgitation and reduced cardiac output.
		Clinical signs depend on the size of the infarction, the elevation of LV filling pressure, and the extent to which cardiac output is reduced.
		Myocardial rupture occurs in three forms: rupture of the papillary muscle, rupture of the interventricular septum, and external rupture.
	www.merck.com /pubs/mmanual/section16/chapter202/202d.htm (6795 words)

	YourHeart \| Patient Information \| Anatomy/Treatment \| Myocardial Infarction (Site not responding. Last check: )
		Myocardial infarction means heart attack, or coronary thrombus.
		Infarction means the death of a muscle, tissue or organ as a result of a blockage of the blood supply to it.
		A myocardial infarction is usually caused by disease of the coronary arteries.
	www.yourheart.org.uk /myocardial.php (196 words)

	Myocardial Infarction -- eCureMe.com
		The area of infarction (dead muscle) is unable to participate in the electrical activities of the heart, which may cause dangerous electrical problems (arrythmias).
		The infarction could be small (silent or not noticed by the patient) and the heart may repair the damage by growing new paths for blood to get to the infarcted muscles.
		Infarction, when large enough, will cause major problems for the heart, and may lead to severe symptoms, even death.
	www.ecureme.com /emyhealth/data/Myocardial_Infarction.asp (1783 words)

	Imaginis - Heart Disease - Myocardial Infarction (Heart Attack)
		Myocardial infarction (heart attack) is a serious result of coronary artery disease.
		Myocardial infarction occurs when a coronary artery is so severely blocked that there is a significant reduction or break in the blood supply, causing damage or death to a portion of the myocardium (heart muscle).
		In addition to atherosclerosis, myocardial infarction may result from a temporary contraction or spasm of a coronary artery.
	www.imaginis.com /heart-disease/heartattack.asp (823 words)

	Myocardial infarction - The Doctors Lounge(TM)
		When released into the circulation, the myocardial form of CKMB (CKMB2) is acted on by the enzyme carboxypeptidase, which cleaves a lysine residue from the carboxyl terminus to produce an isoform (CKMB1) with a different electrophoretic mobility.
		Myocardial perfusion imaging with201Tl or99mTc-sestamibi, which are distributed in proportion to myocardial blood flow and concentrated by viable myocardium (Chap.
		Patients presenting with new ST elevation or presumed new LBBB is indicative of transmural infarction and are indicated for thrombolytic therapy within 30mints of admission or 1ry PTCA within 60mints of arrival to hospital.
	www.thedoctorslounge.net /cardiology/diseases/myocardial_infarction.htm (1924 words)

	Aspirin Cardiovascular
		For reducing the risk of a first non-fatal myocardial infarction in individuals deemed to be at sufficient risk of such an event by their physician”.
		Prevention of coronary thrombosis: after myocardial infarction, in patients with unstable angina pectoris, chronic stable angina and in patients with multiple risk factors (arterial hypertension, hypercholesterolaemia, obesity, diabetes mellitus and family history of ischaemic cardiopathy).
		Due to it’s antiplatelet effect is recommended to prevent an acute myocardial infarction in patients with high risk and is indicated to reduce the risk of ischaemic attack and stroke.
	www.fda.gov /OHRMS/DOCKETS/ac/03/briefing/4012B1_05_Appd%202-%20Cardiovascular%20Indications.htm (2122 words)

	Myocardial Infarction Home Page (Site not responding. Last check: )
		Although the acute mortality of AMI is decreasing in the U.S., the prevalence of ischemic cardiomyopathy is rapidly increasing due to an increased life expectancy, and the morbidity, mortality, and economic costs related to ischemic cardiomyopathy are steadily increasing.
		Almost all myocardial infarctions result from acute transbotic occlusion of pre-existing arteriosclerotic plagues of coronary arteries, which has been mimicked by ligation of the left coronary artery in a variety of animal models, including rats and mice.
		Myocardial infarction induces global changes in the ventricular architecture, a process called ventricular remodeling.
	cardiogenomics.med.harvard.edu /groups/proj1/pages/mi_home.html (651 words)

	Myocardial Infarction
		Congenital heart disease patients are prone to coronary artery disease similar to the rest of the population; however, these patients are prone to infarcts resulting from supply-demand imbalances that result from the natural history of their disease.
		The patient was admitted to the hospital from CHD clinic with a diagnosis of unstable angina.
		Myocardial infarction was ruled out overnight by serial enzymes and troponin I results.
	sprojects.mmi.mcgill.ca /heart/pages/pha/pha.html (1087 words)

	NGC - NGC Summary
		Atrial fibrillation (AF) in a patient with infarction is often associated with cardiac insufficiency and it worsens the prognosis.
		AF is common in the acute phase of myocardial infarction (15 to 20%), is often self-terminated, and does not always require treatment.
		In anterior wall infarction, the proximal conduction system may be blocked: the QRS complex is wide, the substituting rhythm is slow (30 to 40), the patient is in a poor condition, and pacing is necessary.
	www.guideline.gov /summary/summary.aspx?view_id=1&doc_id=9007 (4583 words)

	Inferior Myocardial Infarction (Site not responding. Last check: )
		Myocardial infarctions occur when the blood supply to a region of myocardium is severely decreased.
		Another manifestation that is present early in the course of myocardial infarction is ST segment elevation, which is often a marker for acute injury.
		The third and final manifestation of myocardial infarction is the appearance of Q waves, which appear hours to days after the infarction.
	www.campionambulance.com /staff/inferior_myocardial_infarction.htm (1208 words)

	ESC Congress Reports - Redefinition of myocardial infarction
		A definition of myocardial infarction, applicable for both clinical practice and research, must be globally accepted.
		Definition of myocardial infarction related to coronary interventions, both surgical and percutaneous, is still under debate.
		Myocardial infarction redefined – A consensus document of the Joint ESC/ACC Committee for the Redefinition of Myocardial Infarction.
	www.escardio.org /knowledge/congresses/CongressReports/congressreports/715000_Tendera.htm (702 words)

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