(a.) Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous.
(a.) At or during a given instant; as, instantaneous acceleration, velocity, etc.
Example Sentences:
(1) Utilizing a range of operative Michaelis-Menten parameters that characterize phenytoin elimination via a single capacity-limited pathway, a situation assuming instantaneous absorption (case I) is compared with the situation in which continuous constant-rate absorption occurs (case II).
(2) This report represents the first comprehensive description of instantaneous and continous phasic blood velocity at the mitral valve during atrial arrhythmias in man.
(3) Doppler echocardiographic examination at the site of the pulmonary anastomosis revealed an instantaneous gradient less than 20 mmHg in 9 patients (45%), a gradient between 20 and 60 mmHg in 9 patients (45) and a gradient greater than 60 mmHg in two patients (10%).
(4) The present work describes two methods, the method of instantaneous dilution and that of gel filtration.
(5) It was concluded that 1) late ejection was quantitatively important to LV pumping, 2) behavior during late ejection was inconsistent with E(t)-R, and 3) ad hoc modification of E(t)-R models was not likely to yield LV pumping models that could satisfactorily reproduce instantaneous P(t) and Q(t) behavior over the entire ejection period.
(6) It is shown that when a constant current is applied such that a stable equilibrium and rhythmic firing are present, the following predictions are inherent in the HH system of equations: (a) Small instantaneous voltage perturbations to the axon given at points along its firing spike result in phase resetting curves (when new phase versus old phase is plotted) with an average slope of 1.
(7) Limits of agreement, in stable haemodynamic situations without drugs, were -20.0 and 22.4% of mean average flow for constant diameter Doppler flow estimates, and -14.5 and 15.1% of electromagnetic flow values for instantaneous diameter estimates.
(8) The I50 is 7 x 10(-6) M. The inhibitory effect is instantaneous and completely reversed by washing the cells with a Ringer solution.
(9) Bohr's equation (BE); 2. ideal alveolar air equation for O2 (IDO2); 3. end-tidal (ET); 4. by the Rahn's definition of 'mean alveolar gas', i.e., alveolar pressures are defined when instantaneous respiratory exchange ratio (IRQ) equals mean respiratory exchange ratio (MRQ).
(10) A new technique is described, in which a copy machine (Rank-Xerox) is used for instantaneous reproduction of biological assays.
(11) Inhibition was essentially instantaneous and irreversible to G-25 gel filtration.
(12) On the other hand, the values of the instantaneous frequency, duration, and rhythmicity of the copulatory thrusting movements performed during mounts, intromissions or ejaculations did not differ significantly from the values obtained under saline treatment.
(13) A beam flatness monitor is described which consists of 16 iron chambers and amplifiers, the outputs of which are sequentially sampled and displayed as a series of dots or lines on a conventional CRO, giving an instantaneous display of beam flatness variations.
(14) To assess the relation of instantaneous speed to discharge rate, the component of the discharge pattern related to direction was subtracted from the total discharge.
(15) A stochastic process model developed to fit these data indicated the influence of both time-dependent and instantaneous components of IIF, presumed to be the result of seeding and heterogeneous nucleation, respectively.
(16) The threshold of instantaneous change of stage 2 to shallower stages due to the sound of a passing truck was at the peak level at less than 55 dB (A), and that of stage REM to other stages at 55 to 60 dB (A).
(17) Under these conditions, the instantaneous current observed as soon as the depolarizing pulse is applied displays outward rectification and reverses near ECl.
(18) For breast tissue characterization, three acoustic parameters, integrated attenuation coefficient(IAC), frequency-dependent attenuation coefficient(FDAC) and instantaneous frequency(IF), were estimated in vitro and processed to make images of these parameters for resected human breast specimens.
(19) Furthermore, the study shows that plasma conjugated CA may provide delayed and cumulative indexes of sympathetic activation, complementary to the instantaneous markers such as free CA.
(20) A simple sliding apparatus was used to prestretch instantaneously the plastic modules to 100, 200 and 300% of their original length.
Sudden
Definition:
(a.) Happening without previous notice or with very brief notice; coming unexpectedly, or without the common preparation; immediate; instant; speedy.
(a.) Hastly prepared or employed; quick; rapid.
(a.) Hasty; violent; rash; precipitate.
(adv.) Suddenly; unexpectedly.
(n.) An unexpected occurrence; a surprise.
Example Sentences:
(1) One must be suspicious of any gingival lesion, particulary if there is a sudden onset of bleeding or hyperplasia.
(2) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
(3) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
(4) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
(5) We report a case of a sudden death in a SCUBA diver working at a water treatment facility.
(6) In addition to the 89 cases of sudden and unexpected death before the age of 50 (preceded by some modification of the patient's life style in 29 cases), 11 cases were symptomatic and 5 were transplanted with a good result.
(7) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(8) The automatic half of both the motor which advances the trepan as well as the second motor which rotates the trepan is triggered by the sudden change in electrical resistance between the trepan and the patient's internal body fluid, at the final stage of penetration.
(9) In addition, recent studies have not confirmed previous observations that diuretic-induced hypokalaemia increases ventricular ectopy or contributes to sudden death.
(10) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(11) The high ED50 immediately after vagotomy is ascribed to the sudden fall in the subthreshold release of acetylcholine previously supplied by the intact vagus.
(12) If it works anyone can do this exactly as we have done.” The sudden release follows weeks of visual clues left on the Radiohead frontman’s Twitter and Tumblr.
(13) 23 years old woman with sudden deafness and ipsilateral lack of rapid phase caloric nystagmus was described.
(14) Furthermore, myocarditis, pathological changes of the conduction system, and other rare conditions can lead to sudden cardiac death.
(15) Five of the children presented an "aplastic crisis," for example, a sudden decrease in hemoglobin concentration associated with absence of reticulocytes in the peripheral blood, and four were admitted with unremitting severe pain because of a "vaso-occlusive crisis."
(16) The authors present a boy with a sudden onset a large intracranial hematoma causing rapid neurologic deterioration.
(17) The animal showed progressive hindlimb paresis of sudden onset.
(18) In almost 80% of sudden cardiac deaths in ACMP foci of acute myocardial ischemia are found, that can lead to ventricular fibrillation with lethal outcome.
(19) There is a certain degree of swagger, a sudden interruption of panache, as Alan Moore enters the rather sterile Waterstones office where he has agreed to speak to me.
(20) Our data show that the incidence of sudden death over 51 months is relatively low in patients with single vessel disease.