wall stress

wall stress

the tension within the wall of the left ventricle. It is determined by the pressure in the ventricle, the internal radius of the ventricle, and the thickness of the wall. Also called wall tension.
References in periodicals archive ?
NT-proBNP is released into the bloodstream in response to myocardial wall stress," Dr.
Particular focus will be given to investigating left ventricular wall stress and stretch-dependent gene regulation as controllers of dyadic integrity.
Mann, who is also a member of LoneStar Heart's scientific advisory board, said, "The AUGMENT-HF study supports the concept that reducing ventricular wall stress in heart failure patients through the implant of Algisyl leads to improved functional capacity of the heart and corresponding clinical symptoms.
13,14) The wall stress of any segment of the myocardium is therefore highly dependent upon the local geometry, particularly the radii of curvature of the ventricle wall at that location.
A graph showing the calculated wall stress as a function of the wall thickness ratio is shown in Figure 3 using 500 psi for the value of E'.
6m/s, submerged depth= 130mm TKE at TKE at TKE at Wall Shear curvature outlet inlet Wall Stress Angle 3 [degrees] 1074 0.
Some other mLLDPE samples are extruded under different wall stress through the capillary with different diameter, which is 3, 4, and 5 mm, respectively.
Ku: Wall stress and strain analysis using a three-dimensional thick-wall model with fluid structure interactions for blood flow in carotid arteries with stenoses
Importantly, serum BNP levels remain within normal range during uncomplicated pregnancies; however, peptide levels have been shown to increase during pathological pregnancy states that increase wall stress (7).
These include nocturnal hypoxemia, hypercapnia, a tremendous increase in sympathetic nerve activity, hypertensive surges, endothelial dysfunction, vascular oxidative stress, inflammation, hypercoagulability, and markedly elevated left ventricular wall stress.
The proposed formulas for the analysis of the wall stress condition across the dent area are expressed by a polynomial with empirical factors (Table 2) [7].