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Topic: Myocardial disarray


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  Myocardial disarray: an architectural disorganization linked with adrenergic stress?
BACKGROUND: Myocardial disarray is a structural abnormality found in specific zones of the normal heart.
The incidence of "pathological" myocardial disarray in humans is still not known.
The frequency and presence of myocardial disarray were recorded and correlated to heart weight, extent of myocardial fibrosis, and contraction band necrosis (CBN).
www.medscape.com /medline/abstract/15749187   (337 words)

  
 A Physician's Guide to the Treatment of Hypertrophic Cardiomyopathy
Specifically, the increased myocardial contractility, and higher heart rate (with a shorter diastolic filling period) will worsen the outflow tract obstruction, increase the severity of mitral regurgitation, increase myocardial oxygen demand, and worsen diastolic filling.
As with patients who develop a spontaneous myocardial infarction, there may be a potential for ventricular arrhythmias and perhaps even unfavorable ventricular remodeling.
The need for permanent pacemaker has been as high as 30 percent, as the myocardial infarction is in the region of the bundle of HIS.
www.mayoclinic.org /hypertrophic-cardiomyopathy/physiciansguide.html   (4923 words)

  
 HCMA :: Hypertrophic Cardiomyopathy Association | HCM Overview | What is Hypertrophic Cardiomyopathy (HCM)?
In addition, microscopic examination of the heart muscle in HCM is abnormal.
The normal alignment of muscle cells is absent and this abnormality is called "myocardial disarray".
These diagrams contrast the regular, parallel alignment of muscle cells in a normal heart with the irregular, disorganized alignment of muscle cells or "myocardial disarray" found in some parts of the heart in hypertrophic cardiomyopathy.
www.4hcm.org /WCMS/index.php?overview   (561 words)

  
 Extensive myocardial fiber disarray in aortic and pulmonary atresia. Relevance to hypertrophic cardiomyopathy -- ...
Extensive myocardial fiber disarray in aortic and pulmonary atresia.
Myocardial fiber disarray is a distinctive histopathologic finding seen in
hearts had an average overall fiber disarray of 8.7% (range 3.8-17%) of the
circ.ahajournals.org /cgi/content/abstract/67/1/191   (300 words)

  
 Histopathological specificity of hypertrophic obstructive cardiomyopathy. Myocardial fibre disarray and myocardial ...   (Site not responding. Last check: 2007-10-26)
Myocardial fibre disarray and myocardial fibrosis -- St John Sutton et al.
fibre disarray is unknown, it probably represents an exaggeration of a
Myocardial late gadolinium enhancement cardiovascular magnetic resonance in hypertrophic cardiomyopathy caused by mutations in troponin I
heart.bmjjournals.com /cgi/content/abstract/44/4/433   (436 words)

  
 Genetics of Sudden Cardiac Death
Microscopic examination of the heart muscle shows an abnormal, disordered alignment of muscle cells, called myocardial disarray.
Hypertrophic cardiomyopathy has been associated with 50 different mutations at the genetic locus encoding one of the contractile proteins, the ß-myosin heavy chain, as well as with mutations at seven other genetic loci.
Although the genetic basis of hypertrophic cardiomyopathy is now better understood, the precise cellular mechanisms for the sudden death and excessive myocardial growth are still completely unknown.
www.miamiheartresearch.org /Projects/Genetics/Genetics.htm   (845 words)

  
 HCMA :: Hypertrophic Cardiomyopathy Association | Glossary | Myocardial disarray
When heart tissue from patients with HCM is viewed under a microscope, the normal parallel alignment of the muscle cells (myocytes) is usually absent.
Instead, these cells (or bundles of cells) appear disorganized or in disarray, i.e., arranged at perpendicular and oblique angles to each other.
There is no clinical test that can specifically detect disarray.
www.4hcm.org /WCMS/index.php?id=7,119,0,0,1,0   (64 words)

  
 乱走行 - [myocardial fiber] disarray (Japanese to English translation glossary) Medical: Pharmaceuticals,Medical
The KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.
The context suggests that this term refers to deranged or disorganized physical arrganement of muscle fibers, rather than blood flow, etc. as a result of that.
Myocardial fiber disarray and ventricular septal hypertrophy in...Myocardial fiber disarray and ventricular septal hypertrophy in asymmetrical hypertrophy of the heart.
www.proz.com /kudoz/1879770   (324 words)

  
  Hypertrophic cardiomyopathy - hypertrophic obstructive cardiomyopathy
A cardiomyopathy feline hypertrophic cardiomyopathy is any disease that primarily affects the muscle of the heart.
In HCM, the normal alignment of muscle cells is disrupted, a phenomenon known as myocardial disarray.
HCM also causes disruptions of the electrical functions of the heart.
www.medicalgeo.com /Med-Diseases-Ho---Hy/Hypertrophic-cardiomyopathy.html   (2040 words)

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