myocardium

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myocardium

the muscular tissue of the heart

Myocardium

 

the muscular layer that constitutes most of the heart. It consists of striated muscle tissue made up of a dense aggregation of muscle cells. A functional characteristic of the myocardium is rhythmic, automatic contraction alternating with relaxation, which continues without interruption throughout the life of the organism.

myocardium

[‚mī·ə′kärd·ē·əm]
(histology)
The muscular tissue of the heart wall.
References in periodicals archive ?
Evidence of myocardial fibrosis was apparent in the left ventricle -- the heart's main pumping chamber -- in 10 of 55 of the men, or 18 percent, but in none of the women.
Myocardial Fibrosis - Therapeutics under Development by Companies 10
one of the mechanical complications during first few days of myocardial infarction is mitral regurgitation3 and mitral regurgitation early after acute myocardial infarction shows a poor prognosis with increased deaths due to non-cardiac causes, cardiovascular deaths and hospitalization for heart failure4,8.
All cases above age of 40 years admitted in the ward, ICU with complaints listed as symptoms of unrecognised myocardial infarction, i.
In normal LAD group 2 patients have normal myocardial perfusion scan; while rest of the 4 exhibit mild to moderate intensity fixed perfusion defects involving distal anteroseptal and distal inferoseptal walls.
ST segment elevation posterior myocardial infarction was diagnosed in accordance with the clinical presentation and registered ECG changes (Figure 2).
Given the limitations of ICD-9 classification that does not include a specific code for Type 2 myocardial infarction as defined by the 3rd UDMI, it is not surprising that the majority of the discrepancy between the coders and the adjudicators was accounted for by adjudicated Type 2 acute myocardial infarction.
Myocardial perfusion PET, because of its unique properties, is the right test, at the right time for certain patient populations," noted Brian Abbott, MD, ASNC President.
The patients had grade 0 or 1 thrombolysis in myocardial infarction (TIMI) during initial coronary angioplasty within 12 h of the onset of symptoms.
1, 3) Second, PCI-related biomarker elevation are often "silent" events, without associated clinical or angiographic features consistent with acute myocardial ischemia.
Conclusion: Left ventricular thrombus is important complication of acute myocardial infarction.
Because of the loss of viable myocardium after an MI, the heart works under elevated wall stress, which results in progressive myocardial hypertrophy and left ventricular dilation that leads to heart failure.