(n.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.
(n.) The beginning or first entrance of any house in the calculations of nativities, etc.
(n.) The point or horn of the crescent moon or other crescent-shaped luminary.
(n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
(n.) A prominence or point, especially on the crown of a tooth.
(n.) A sharp and rigid point.
(v. t.) To furnish with a cusp or cusps.
Example Sentences:
(1) But at least one customer signalled that America's gun lobby might be on the cusp of a moment of introspection.
(2) Multiple determination of size, shape, and diameter of the left atrium were made during the control state and under conditions of varied ventricular outflow resistance in intact anesthetized dogs with markers chronically attached to the mitral annulus and the valve cusps.
(3) The edge of the valve leaflet and the other 2 cusps were intact.
(4) However, the height of the hypoconid, which was the highest in the lower molar cusps, showed almost the same mean value as the height of the upper three principal cusps, indicating that the height of the main functional cusp, in both upper and lower first molars, was almost the same.
(5) In lower second deciduous molars, the buccal margin of the cavity was positioned 1.7 mm medially to the summit of the distobuccal cusp and 1.2-1.3 mm medially to the summits of the other buccal cusps.
(6) A high origin of the right coronary artery or location of the left coronary artery adjacent to a pulmonary cusp or branch may complicate the tunnel-type repair.
(7) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(8) The ruptures and calcifications of the cusps were most commonly observed in commissure.
(9) The commonest cause of failure in young patients was calcification, while in older patients it was cusp rupture.
(10) The results indicate that the tongue-to-teeth contact area of each sound differ from the others, however, it's range is confined within cervical half of lingual surface of incisors and lingual cusps of molars.
(11) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(12) In 9 of 21 rats a fair or good result was observed, although it did not seem possible to create a fully competent valve with only one cusp blade in the 1.5-mm-diam caval veins.
(13) He underwent single cusp replacement in January 1967.
(14) Then the graft was cut longitudinally on the side of the non-coronary cusp so as to make operative procedure easier.
(15) Destruction of the cusps was seen in three cases and calcification of the cusps developed in three cases.
(16) In a small number of cases, the amount and type of cuspal movement and the degree of dye penetration was variable, depending on cavity design and the composite used, but generally cusp movement was unaffected by variation in cavity outline.
(17) Cardiac ultrasonography demonstrated multiple, central diastolic aortic valve cusp echoes consistent with a thickened, calcified, tricuspid aortic valve.
(18) In conclusion, transesophageal echocardiography and color flow Doppler are superior to transthoracic imaging in estimating bioprosthetic mitral, but not aortic regurgitation, in differentiating valvular from paravalvular regurgitation, and in demonstrating thickened valves due to cusp degeneration.
(19) The valve was composed of 4 cusps of different size and shape.
(20) In conclusion, TAV occurred more frequently at the noncoronary cusp than at the right or left coronary cusp.
Tricuspid
Definition:
(a.) Having three cusps, or points; tricuspidate; as, a tricuspid molar.
(a.) Of or pertaining to the tricuspid valves; as, tricuspid obstruction.
Example Sentences:
(1) Evaluation revealed tricuspid insufficiency, a massively dilated right internal jugular vein, and obstruction of the left internal jugular vein.
(2) Four cases of pregnancies in two women with tricuspid atresia (TA) are described.
(3) Twenty-nine patients had a marked organic tricuspid valvular disease.
(4) A block of tissue bounded by the ostium of the coronary sinus, the pars membranacea, the septal leaflet of the tricuspid valve and the atrial and ventricular septa is removed.
(5) A case of tricuspid valve endocarditis with spinal epidural abscess caused by Actinobacillus actinomycetemcomitans is reported in a 74-year-old male with an endocardial pacemaker.
(6) Without operative correction of the tricuspid valve, secondary tricuspid regurgitation can resolve following mitral valve surgery alone.
(7) Sixty-eight patients (mean age 49 years) were studied with contrast echocardiography (CE) and Doppler echocardiography (DE) to evaluate both methods for detecting and grading tricuspid regurgitation (TR).
(8) Experience in managing 160 patients with tricuspid atresia is reviewed.
(9) Sterile vegetations were produced in rabbits by placing catheters in the inferior vena cava, tricuspid or aortic valves, and thoracic or abdominal aorta and then were infected by the intravenous inoculation of Streptococcus sanguis.
(10) The sounds were loudest along the left sternal border, exhibited an increase in intensity during inspiration and were associated with right atrial gallop sounds and with murmurs of tricuspid regurgitation.
(11) Isolated tricuspid valve regurgitation is a rare finding after nonpenetrating chest trauma.
(12) Tricuspid regurgitation (TR) was diagnosed with Doppler when reverse flow in systole was recorded at and behind the closure level of the tricuspid valve.
(13) Six had a univentricular heart of left ventricular morphology, three had a single ventricle of right ventricular morphology, one had tricuspid atresia with transposition of the great arteries, one had pulmonary atresia, intact ventricular septum, and hypoplastic right ventricle, and one had corrected transposition with hypoplastic systemic ventricle.
(14) In all cases, the maximal velocity of the tricuspid regurgitation jet was measured by continuous wave Doppler ultrasound and the systolic pressure gradient between right ventricle and the right atrium was calculated by the modified Bernoulli equation.
(15) It was not related to a greater degree of dilatation of the tricuspid ring but to more severe septal and right ventricular infarction causing prolapse of the septal and posterior septal leaflets into the right atrium.
(16) In a total of 30 operations the mitral valve was reconstructed in 18, the tricuspid valve in 11, and both AV-valves in one patient.
(17) Fourteen patients with double inlet left ventricle and nine patients with tricuspid atresia had biplane left ventricular angiography with simultaneous measurement of left ventricular pressure by micromanometer.
(18) With two 15 mm diameter valvulotomy balloons the peak tricuspid gradient decreased from 21 to 7 mm Hg and valve area increased from 0.3 to 1.2 cm2.
(19) Our study shows that detection of a pulsatile portal venous waveform on duplex Doppler sonography in patients with liver dysfunction should raise the possibility of tricuspid regurgitation.
(20) Preoperative variables may predict the result of tricuspid valve replacement.