(n.) A stroke made with a downward motion of the pen or pencil.
Example Sentences:
(1) Occasionally the average forces within an upstroke are greater than within a downstroke of the same sequence.
(2) This current is voltage-sensitive and is responsible for the downstroke of the action potential during the early part of the burst.
(3) A third group of cells recorded intrasomally had broad spikes with shoulders on the downstroke characteristic of A-delta-nociceptors and were so classified provisionally, although no adequate stimulus could be identified.
(4) During active pedalling, all normal subjects showed modulation of the H-reflex with the amplitude being increased during the downstroke portion of the pedal cycle and the reflex suppressed or absent during the upstroke.
(5) The method is unique in combining the following considerations: 1) use of internal measurement error present in the actual sample replicates (rather than that estimated from external standards); 2) an ability to accommodate a wide range of nonuniformity in intraassay coefficients of variation; 3) utilization of both upstroke and downstroke threshold criteria; and 4) adaptability to specify a physiologically relevant proximity of the postpeak nadir to the center of the peak.
(6) A sensor attached to the chest plate of a Thumper was used to time a Datascope Model 3520 ventricular assist console such that the balloon inflated on the upstroke and deflated on the downstroke of the Thumper.
(7) Eighteen prehospital cardiac arrest patients were studied to determine the effect of external chest compression rate on the PetCO2 and BP in man when ventilation rate, ventilation inspiration time, applied compression force, and a 50:50 downstroke:upstroke ratio were held constant using a microprocessor-controlled CPR Thumper.
(8) In the carotid pulse, there was, in youth, a second peak on the downstroke of the waves in late systole.
(9) It participates in the opener (downstroke) phase of swimming and causes contraction of one of the described muscle layers.
(10) Conventional recordings of these extrasystoles usually showed an initial slow upstroke (or downstroke) of the QRS resembling a delta wave.
(11) Except for the timing of the fastest downstroke, all of these variables were significantly altered by distant potentials.
(12) It appears that "elite-national class" cyclists have the ability to generate higher "downstroke power", possibly as a result of muscular adaptations stimulated by more years of endurance training.
(13) The upstroke of this waveform was slower and the downstroke was steeper than that of the aortic pressure.
(14) The timing of the fastest downstroke is largely independent of the effect of distant potentials and most closely represents local activation.
(15) The syndrome was characterized by (1) an upward concave elevation of the RS-T segment with distinct or "embryonic" J waves, slurred downstroke of R waves or distinct J points or both; (2) RS-T segment elevation commonly encountered in the precordial leads and more distinct in these leads; (3) rapid QRS transition in the precordial leads with counterclockwise rotation; and (4) persistence of these characteristics for many years although some intraindividual changes were common.
(16) It is concluded that the mitral valve closes during the downstroke of chest compression in most adult patients during resuscitation.
(17) The higher performance power output of group 1 was produced primarily by generating higher peak torques about the center of the crank by applying larger vertical forces to the crank arm during the cycling downstroke.
(18) Waveform configuration, peak to peak amplitude, magnitude of the slope and timing of the fastest downstroke were carefully evaluated at each electrode site, both with and without the presence of distant left ventricular potentials.
(19) At the point of transition from wing upstroke to downstroke, the pectoralis EMG signal typically exhibits a reduction in amplitude.
(20) We now show that EGF abolishes the downstroke of the dose response curve for CCK-8-induced ZG Cl- conductance and shifts the stimulatory response to higher CCK-8 concentrations.
Stroke
Definition:
(imp.) Struck.
(v. t.) The act of striking; a blow; a hit; a knock; esp., a violent or hostile attack made with the arm or hand, or with an instrument or weapon.
(v. t.) The result of effect of a striking; injury or affliction; soreness.
(v. t.) The striking of the clock to tell the hour.
(v. t.) A gentle, caressing touch or movement upon something; a stroking.
(v. t.) A mark or dash in writing or printing; a line; the touch of a pen or pencil; as, an up stroke; a firm stroke.
(v. t.) Hence, by extension, an addition or amandment to a written composition; a touch; as, to give some finishing strokes to an essay.
(v. t.) A sudden attack of disease; especially, a fatal attack; a severe disaster; any affliction or calamity, especially a sudden one; as, a stroke of apoplexy; the stroke of death.
(v. t.) A throb or beat, as of the heart.
(v. t.) One of a series of beats or movements against a resisting medium, by means of which movement through or upon it is accomplished; as, the stroke of a bird's wing in flying, or an oar in rowing, of a skater, swimmer, etc.
(v. t.) The rate of succession of stroke; as, a quick stroke.
(v. t.) The oar nearest the stern of a boat, by which the other oars are guided; -- called also stroke oar.
(v. t.) The rower who pulls the stroke oar; the strokesman.
(v. t.) A powerful or sudden effort by which something is done, produced, or accomplished; also, something done or accomplished by such an effort; as, a stroke of genius; a stroke of business; a master stroke of policy.
(v. t.) The movement, in either direction, of the piston plunger, piston rod, crosshead, etc., as of a steam engine or a pump, in which these parts have a reciprocating motion; as, the forward stroke of a piston; also, the entire distance passed through, as by a piston, in such a movement; as, the piston is at half stroke.
(v. t.) Power; influence.
(v. t.) Appetite.
(v. t.) To strike.
(v. t.) To rib gently in one direction; especially, to pass the hand gently over by way of expressing kindness or tenderness; to caress; to soothe.
(v. t.) To make smooth by rubbing.
(v. t.) To give a finely fluted surface to.
(v. t.) To row the stroke oar of; as, to stroke a boat.
Example Sentences:
(1) The major treatable risk factors in thromboembolic stroke are hypertension and transient ischemic attacks (TIA).
(2) In the stage 24 chick embryo, a paced increase in heart rate reduces stroke volume, presumably by rate-dependent decrease in passive filling.
(3) We studied the effects of the localisation and size of ischemic brain infarcts and the influence of potential covariates (gender, age, time since infarction, physical handicap, cognitive impairment, aphasia, cortical atrophy and ventricular size) on 'post-stroke depression'.
(4) Serum sialic acid concentration predicts both death from CHD and stroke in men and women independent of age.
(5) Cardiovascular disease event rates will be assessed through continuous community surveillance of fatal and nonfatal myocardial infarction and stroke.
(6) Five late strokes were ipsilateral (1.8%) and six were contralateral (2.1%) to the operated carotid artery.
(7) Diabetic retinopathy (an index of microangiopathy) and absence of peripheral pulses, amputation, or history of myocardial infarction, stroke, or transient ischemic attacks (as evidence of macroangiopathy) caused surprisingly little increase in relative risk for cardiovascular death.
(8) Urinary incontinence present between 7 and 10 days after stroke was the most important adverse prognostic factor both for survival and for recovery of function.
(9) Acetylsalicylic acid has been shown to reduce significantly stroke, death and stroke-related death in men, with no detectable benefit for women.
(10) Atrophy was present in 44% of TIA patients, 68% of PRIND patients and 82% of completed stroke patients.
(11) On the basis of clinical symptoms and CT scan findings, 66 patients were categorized as having sustained a RIND and 187 a stroke.
(12) Recognised risk factors for stroke were found equally in those patients with and without severe events before onset, except that hypertension was rather less common in the patients who had experienced a severe event.
(13) These are risk factors for diabetes, cardiovascular disease and stroke.
(14) Stroke was the cause of 2 and congestive heart failure the cause of 4 deaths.
(15) Combined clinical observations, stroke volume measured by impedance cardiography, and ejection fractions calculated from systolic time intervals, all showed significant improvement in parallel with CoQ10 administration.
(16) He won the Labour candidacy for the Scottish seat of Kilmarnock and Loudon in 1997, within weeks of polling day, after the sitting Labour MP, Willie McKelvey, decided to stand down when he suffered a stroke.
(17) During surgical stimulation cardiac index increased in group A due to an increase in heart rate but remained below control in group B, while stroke volume index was reduced in both groups throughout the whole procedure.
(18) In 2001 Sorensen suffered a stroke, which seriously damaged his eyesight, but he continued to be involved in a number of organisations, including the Council on Foreign Relations and other charitable and public bodies, until a second stroke in October 2010.
(19) Two hundred and forty-one residents were examined for carotid bruits and signs of previous stroke.
(20) One hundred ten atherosclerotic occlusions of the internal carotid artery (ICA) were found in 106 patients in group I. Fifty-one percent of these patients had a history of stroke before arteriography, 24% had transient ischemic attacks (TIAs) or amaurosis fugax (AF), and 12% had nonhemispheric symptoms.