(v. i.) To flutter; to flap the wings without flying.
(v. i.) To waver unsteadily, like a flame in a current of air, or when about to expire; as, the flickering light.
(n.) The act of wavering or of fluttering; flucuation; sudden and brief increase of brightness; as, the last flicker of the dying flame.
(n.) The golden-winged woodpecker (Colaptes aurutus); -- so called from its spring note. Called also yellow-hammer, high-holder, pigeon woodpecker, and yucca.
Example Sentences:
(1) Indirect blood pressure measurement techniques included automated oscillometry, manual auscultation, visual onset of oscillation (flicker) and return-to-flow methods.
(2) The flickers, similar in nature to the flickers observed for physiological channels, were of the order of 1 ms and the interval between flickers was of the order of 50 ms.
(3) I watched as she made the briefest eye contact with me on their way back, the flicker of hurt and sadness in her eyes reflecting mine, before the shutters came down.
(4) The characteristics of pattern and flicker (movement) detection are compared to electrophysiological studies on X (sustained) and Y (transient) neurones respectively, and correlations are described for studies of temporal frequency response, non-linearity, width of receptive field, strength of the inhibitory surround and motion sensitivity.
(5) The performance tests included tracking, choice reaction, flicker fusion, exophoria, nystagmus, digit symbol substitution and the subjective assessment of mood.
(6) Psychometric performance parameters and the critical flicker-fusion frequency are studied in various groups and in patients with chronic cerebral circulation trouble.
(7) It caused alpha-adrenergic stimulation (blood pressure and pupil diameter) and central nervous system excitation (critical flicker frequency), both of which were more marked in males than in females.
(8) Only two eyes showed a definite alteration in optic disc anatomy without the development of field loss, and field defects appeared in only one of 109 eyes in which there was no change or suspected change on flicker comparison.
(9) There were flickers for Alberto Moreno and Origi straight away, Lallana looped a header off target and Jordan Henderson got the better of Aké before seeing Heurelho Gomes tip over his shot.
(10) Twenty-four male graduate volunteers were administered a battery of psychological tests--critical flicker fusion (CFF; alternate and simultaneous), reaction time (simple and choice), memory (forward and backward), and associative recall--to ascertain their performance capability during the different times of day.
(11) At positive applied voltages, TeTx channels flicker continuously between a closed state and the various distinct open states.
(12) The luminance threshold for the detection of 25 Hz flicker was measured in nine patients with retinal disorders under stimulus conditions that have been shown previously to involve an interaction between rod and cone systems.
(13) The results obtained by flicker were compared with those reported on the responses evoked by different visual stimuli.
(14) The future development of perimetry will be characterized by a refinement of measured value statistics and the testing of perimetric procedures that test more complex physiological functions than sensitivity to differences (e.g., analysis of temporal transmission characteristics in flicker perimetry.
(15) For patients sensitive at normal viewing distances, where 50 Hz diffuse flicker appeared to be responsible for the induction of paroxysmal activity, the probability with which paroxysmal activity was induced was closely related to the subtense of the screen.
(16) Fourteen patients with symptoms of acute unilateral optic neuritis were examined with the Pulfrich test and the Aulhorn flicker test.
(17) Visual discomfort has been related to 1) the presence of flicker; the possibility to regulate, 2) brightness, 3) height; and 4) inclination of monitor.
(18) High ambient temperature had no significant effect on critical flicker fusion frequency.
(19) (1) Annular stimulation of rods slightly facilitated rod-mediated flicker sensitivity to frequencies less than 10 Hz.
(20) The result was good news for the north-east generally as Newcastle’s flickering hopes of escaping the drop were also given the faintest breath of oxygen.
Flutter
Definition:
(v. t.) To vibrate or move quickly; as, a bird flutters its wings.
(v. t.) To drive in disorder; to throw into confusion.
(n.) The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan.
(n.) Hurry; tumult; agitation of the mind; confusion; disorder.
Example Sentences:
(1) Fluttering in the background was a black flag adorned with white script, the “black flag of jihad”.
(2) A patient with mitral stenosis and atrial flutter was found to have a normal diastolic closure rate (E to F slope).
(3) This study demonstrates that 1) complete AV block is not a contraindication to the Fontan operation, 2) some patients may not require AV synchrony postoperatively for survival, and 3) postoperative atrial flutter or fibrillation may cease or be easier to control after the Fontan operation.
(4) Several attempts at circuit interruption of type 1 atrial flutter by means of surgical or catheter techniques have been published.
(5) The authors report 6 cases of acute respiratory failure complicating chronic bronchial and lung disease admitted to hospital with the diagnosis of: heart disease, 3 cases, pulmonary oedema, pulmonary embolism, atrial flutter; status asthmaticus : one case; neuro-psychiatric disease : 2 cases (toxic coma and agitation).
(6) Thirty patients with long-standing (mean 30 days) type I atrial flutter (AF) were treated with overdrive atrial pacing.
(7) Mean proficiency scores were 51% for atrial flutter and 35% for ventricular tachycardia.
(8) However, atrial flutter often recurs despite the use of these conventional antiarrhythmic regimens.
(9) The results of programmed stimulation were estimated to be positive when sustained or unsustained monomorphic ventricular tachycardia was triggered, and negative when ventricular fibrillation, ventricular flutter unsustained polymorphic ventricular tachycardia or no arrhythmia could be induced.
(10) AJ Green was waiting just behind him, and the receiver gratefully pulled in the softly fluttering ball.
(11) Single or repetitive supraventricular premature beats were found in 65 (41%), paroxysmal atrial or junctional tachycardias in 20 (12%), bouts of atrial flutter or fibrillation in 3 (2%).
(12) This study investigated the effects of pharmacologically induced changes in atrial conduction velocity and refractoriness, in the conversion and suppression of atrial flutter induced in the open-chest anesthetized dog by intercaval crush and rapid atrial pacing.
(13) (5) Development of postoperative atrial fibrillation or flutter has not been associated with peroperative or postoperative events.
(14) The results of 181 therapeutic stimulations in cases of atrial flutter (a-flut) have shown that a-flut is terminated in a wide range by means of programmed stimulation (PS).
(15) At follow-up (mean 6.5 years), 83% of the patients were alive (49% without atrial flutter and 34% with atrial flutter) and 17% died (10% suddenly, 6% of nonsudden cardiac cause and 1% of noncardiac cause).
(16) Five patients with bicuspid aortic valves showed mitral valve diastolic flutter indicative of aortic regurgitation.
(17) Spontaneous change in direction of F waves in atrial flutter is rare.
(18) SVT includes paroxysmal SVT, atrial flutter, atrial tachycardia and junctional tachycardia (enhanced automaticity).
(19) There was an area of slow conduction during atrial flutter in the low right atrium.
(20) Recent studies of human type 1 atrial flutter demonstrated reentry in the right atrium and an area of slow conduction in the low posteroseptal right atrium.