(n.) The act of flowing or pouring back by the orifice of entrance
(n.) the reversal of the natural direction in which the current or contents flow through a tube or cavity of the body.
(n.) The act of swallowing again; reabsorption.
Example Sentences:
(1) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(2) The pathoanatomy and factors associated with transient mitral regurgitation (MR) induced by myocardial ischemic stress are unknown.
(3) Postoperative examination revealed division of accessory pathway and no regurgitation of mitral prosthesis.
(4) Doppler mitral regurgitation (MR) was detected in 40 of the 47 patients (85%) with type C in 56 of the 99 (59%) with type B, and in seven of the 18 (39%) with type A.
(5) One child (case 1) exhibited nasal regurgitation during feeding.
(6) To determine the severity of regurgitation by dynamic MRI, several parameters were analyzed, including the number of slices with visible signal loss, the time course of the signal loss, and its maximal area and maximal volume.
(7) Without operative correction of the tricuspid valve, secondary tricuspid regurgitation can resolve following mitral valve surgery alone.
(8) Signs of mitral regurgitation of grade 1 could be documented angiographically in 9 patients and of grade 2 in 4 patients.
(9) 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).
(10) Case 2: A 40-year-old man with congestive heart failure and inflammatory signs had aortic and mitral regurgitation.
(11) Twelve patients had severe mitral regurgitation; successful mitral valve replacement was carried out in four patients (all with myxomatous mitral tissue).
(12) 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.
(13) Isolated tricuspid valve regurgitation is a rare finding after nonpenetrating chest trauma.
(14) Tricuspid regurgitation (TR) was diagnosed with Doppler when reverse flow in systole was recorded at and behind the closure level of the tricuspid valve.
(15) We conclude that in most patients undergoing aortic valvuloplasty, regurgitation does not change after the procedure.
(16) All patients presented with severe oropharyngeal dysphagia and frequent aspiration together with pharyngooral and pharyngonasal regurgitation.
(17) On a series of 170 aortic valve replacement - 100 aortic stenoses (AS) and 70 aortic regurgitations (AR) - with an early post operative death rate of 5.3% and a late one of 8% (with a minimum follow up of 1 year and an average one of 25.4 months, two electrocardiographic and radiological checks could be done on 123 patients, 12 months on an average after the operation, and again for 116 patients, 21 months after the operation.
(18) 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.
(19) In a multivariate Cox model analysis, the independent correlates of long-term survival were emergent operation with cardiogenic shock (multivariate mortality rate ratio [RR] = 14.0), use of a postoperative intraaortic balloon pump (RR = 3.9), ejection fraction less than 50% (RR = 2.4), preoperative history of congestive heart failure (RR = 2.2), cardiopulmonary bypass time (RR = 1.4 for each 30-minute increment), uncorrected mitral regurgitation (RR = 1.5 for each increment of angiographic gradation), left main coronary artery narrowing (RR = 1.7) and diabetes (RR = 1.6).
(20) This report details the pulsed Doppler echocardiographic findings in two patients who developed severe periprosthetic mitral regurgitation after porcine mitral valve replacement.
Retching
Definition:
(p. pr. & vb. n.) of Retch
Example Sentences:
(1) We have compared the ability of drugs to induce chewing and retching or emesis in squirrel monkeys; such studies are not possible in rodents, which do not vomit.
(2) No dose produced retching, vomiting, diarrhea or other behavioral signs of toxicity.
(3) Nausea was assessed by a patient-completed visual analogue scale and episodes of retching recorded by the patient and an independent observer.
(4) Straining and retching behaviors exhibited by the nerves innervating other thoracic accessory inspiratory muscles (the intercartilagineus, rectus thoracis, scalenus) varied from dog to dog.
(5) In contrast, none of the inspiratory units from the external intercostal nerves exhibited such intense discharges with straining and retching.
(6) Incidence and severity of emesis (none, nausea, retching or vomiting) was assessed during the first 24 hours after operation.
(7) Vomiting, induced by stimulation of the lower thoracic vagi, consisted of a series of synchronous bursts of diaphragmatic and abdominal activity (retching) followed by a prolonged abdominal discharge after the cessation of diaphragmatic activity (expulsion).
(8) Fictive vomiting was defined as a series of large bursts of synchronous activity in the phrenic and abdominal (expiratory) nerves (retching) followed by a burst in which the abdominal activity was prolonged (expulsion).
(9) Nous sommes tous Français (We are all French).” By contrast, Hollande said that Trump’s excesses “make you want to retch” .
(10) Internal intercostal (expiratory) muscles contract out of phase with these muscles during retching and are inactive during expulsion.
(11) When James lay down to sleep, he retched from the smell then ran out the door with his pillow to throw it away, everyone laughing.
(12) 3 Doses of apomorphine that caused a decrease in blood pressure on intravenous injection, had no effect on blood pressure or caused retching accompanied by an increase in blood pressure on intravertebral or intracisternal administration.
(13) All patients were monitored for emetic episodes (vomiting or retching), adverse events, and laboratory safety parameters.
(14) These results suggest that 5-HT3 receptor antagonists are capable of ameliorating radiation-induced retching and vomiting and that, while an important site of their action could be the abdominal vagi, other areas are probably also involved.
(15) We determined (1) gastric emptying rates; (2) the presence and frequency of retching and vomiting; and (3) the effect of zacopride on the performance of a visual discrimination task in nonirradiated subjects.
(16) This was accompanied by a prolonged period of mydriasis and preceded by a short interval of restlessness, licking, retching and emesis.
(17) The discharge patterns during retching were classified into seven types in accordance with the discharge phase in the retching cycle and the discharge frequency.
(18) And if that means staying silent as your subject salivates his way through a truly disgusting account of a threesome, as the male crew laugh along, then you try to hide your desire to retch.
(19) • Pistorius' retching and crying was not feigned , Vorster said: he could not fake pallor .
(20) Therefore, the effects of bilateral abdominal vagotomy and antagonism of 5-HT3 receptors have been investigated on retching and vomiting induced by radiation.