Linked Life Data

3522059

Source:http://linkedlifedata.com/resource/pubmed/id/3522059

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1986-8-14
pubmed:abstractText
Deviation from local fibre orientation may seriously affect quantification of myocardial segment work, as measured by implanted ultrasound crystals. Crystal pairs were positioned in mid-wall layers with known directions to the long axis of the heart. One transmitter and four receiving crystals covered a sector on the anterior ventricular wall of 100 degrees. The results show a strong influence of alignment to fibre direction on the pressure-length loop area; the relation followed a cos2 psi function where psi denotes the angle between the crystal pair direction and fibre direction established by microscopy. The angle between the mid-wall muscle fibres on the anterior aspect of the left ventricle and the long axis of the heart varied between 62 degrees and 90 degrees with a mean value of 76 degrees. This study shows that pressure-length loop quantitation depends strongly on crystal alignment to cardiac muscle fibres through which the ultrasound passes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0144-5979
pubmed:author
pubmed:issnType
Print
pubmed:volume
6
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
293-301
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1986
pubmed:articleTitle
Fibre orientation in the left ventricle and its influence on local pressure-length loop analysis in cats.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't