(a.) Pertaining to, resembling, or hear the heart; as, the cardiac arteries; the cardiac, or left, end of the stomach.
(a.) Exciting action in the heart, through the medium of the stomach; cordial; stimulant.
(n.) A medicine which excites action in the stomach; a cardial.
Example Sentences:
(1) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
(2) The newborn with critical AS typically presents with severe cardiac failure and the infant with moderate failure, whereas children may be asymptomatic.
(3) In cardiac tissue the adenylate system is not a good indicator of the energy state of the mitochondrion, even when the concentrations of AMP and free cytosolic ADP are calculated from the adenylate kinase and creatine kinase equilibria.
(4) Changes in cardiac adenosine triphosphate (ATP), phosphocreatine (PCr) and inorganic phosphate (Pi) were followed and intracellular pH (pHi) was estimated from the chemical shift of Pi.
(5) The origin of the aorta and pulmonary artery from the right ventricle is a complicated and little studied congenital cardiac malformation.
(6) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
(7) Cor triatriatum (CT) is a rare congenital defect, surgically correctable, and sometimes difficult to diagnose by cardiac catheterization.
(8) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
(9) Using multiple regression, a linear correlation was established between the cardiac index and the arterial-venous pH and PCO2 differences throughout shock and resuscitation (r2 = .91).
(10) One patient with a large fistula angiographically had no oximetric evidence of shunt at cardiac catheterization.
(11) Only the approximately 2.7 kb mRNA species was visualized in Northern blots of total cellular and poly(A+) RNA isolated from cardiac ventricular muscle.
(12) External phonocardiography performed at the time of cardiac catheterization revealed that this loud midsystolic click disappeared whenever a catheter was positioned across the mitral valve.
(13) No differences in cardiac output were noted in surviving animals.
(14) Diphenoxylate-induced hypoxia was the major problem and was associated with slow or fast respirations, hypotonia or rigidity, cardiac arrest, and in 3 cases cerebral edema and death.
(15) Results showed significantly higher cardiac output in infants with grade III shunting than in infants with grade 0 and grade I shunting.
(16) This doxorubicin derivative did not bind to Sepharose which was conjugated with cardiac actin.
(17) Infusion of sodium lactate associated with isoproterenol could be used to combat the depressent effects of betablockers in patients with cardiac disorders.
(18) The highest antishock effect of dopamine is reached when cardiac output fraction addressed to thoracic region vitals is supported by dopamine on the 43-45% level.
(19) Hypercalcitoninemia was the most pronounced in patients with cardiac rhythm disorders and a simultaneous reduction in total serum calcium.
(20) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
Contractility
Definition:
(n.) The quality or property by which bodies shrink or contract.
(n.) The power possessed by the fibers of living muscle of contracting or shortening.
Example Sentences:
(1) The ability of azelastine to influence antigen-induced contractile responses (Schultz-Dale phenomenon) in isolated tracheal segments of the guinea-pig was investigated and compared with selected antiallergic drugs and inhibitors of arachidonic acid metabolism.
(2) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
(3) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
(4) mean, n = 8, P less than 0.05) of the contractile response to NA (1 mumol 1(-1].
(5) In guinea pig ventricular myocytes, the positive contractile staircase was associated with ascending staircases of both peak systolic and end diastolic [Ca2+]i because of a cumulative increase in diastolic [Ca2+]i.
(6) This study demonstrated that significant global and regional ventricular dysfunction develops immediately after removal of the papillary muscles, whereas myocardial contractility is preserved in patients undergoing mitral valve repair.
(7) These results are consistent with a possible physiological role for medullary TRH in the vagal regulation of gastric contractility.
(8) It is suggested that contractile responses to electrical stimulation in isolated sheep urethral smooth muscle are mediated by the sympathetic nervous system, mainly through release of noradrenaline stimulating postjunctional alpha 1-adrenoceptors.
(9) The observations support the idea that the function of pericytes in the choriocapillaris, the major source of nutrition for the retinal photoreceptors, resides in their contractility, and that pericytes do not remove necrotic endothelium during capillary atrophy.
(10) We conclude that the pacemaker cells are necessary for rhythmic contractile activity and that cells outside this region do not contract spontaneously.
(11) These results provide no support for the claims that aprotinin prevents the activation of sugar transport in muscle by contractile activity or that bradykinin is the muscle activity hypoglycemia factor.
(12) The ventral root dissection technique was used to obtain contractile and electromyogram (e.m.g.)
(13) Under best possible conditions of oxygen supply but in a later stage of perfusion, contractility during rhythmical stimulation is depressed more at lower than at higher rates.
(14) The increased Weissler index reflects impaired myocardial contractility.
(15) The indices of central hemodynamics and myocardial contractile function were studied in 35 dogs before and in different periods after the administration of drugs which block beta-receptors: propranolol, pindolol, and talinolol.
(16) Changes in contractility were correlated with severity of disease, as defined by New York Heart Association class, dose of diuretics, left ventricular ejection fraction and left ventricular end-diastolic pressure.
(17) We compared the effects of angiotensin II and endothelin on mass levels of 1,2-diacylglycerol, and endogenous activator of protein kinase C, in cultured rabbit vascular smooth muscle cells with the effects of these vasoconstrictors on contractile responses of rabbit aortic strips.
(18) The high capacity of irreversible synthetic-state, smooth muscle cells to bind and accumulate beta-VLDL in contrast to the relative immunity of contractile cells may be relevant to the genesis of atherosclerosis in the rabbit and possibly also in humans.
(19) It is being concluded from these results that congenital myofibrillar hypoplasia is not primarily a myasthenia-like syndrome, but that either excitation-contraction coupling or the contractile mechanism itself are primarily affected.
(20) In conclusion, block of inhibitory innervation, and induction of electrical slow waves as a control mechanism for phasic contractile activity, seems to require blockade of an aminacrine- but not TEA-sensitive potassium conductance.