block

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Related to sinoatrial block: atrioventricular block, exit block

Block

A segment of a town or city surrounded by streets and avenues on at least three sides and usually occupied by buildings, though it may be composed solely of vacant lots. The section of a city enclosed by streets that is described by a map which indicates how a portion of land will be subdivided.

block

verb arrest, avert, ban, bar, barricade, blockade, bridle, check, choke, clog, close, cohibit, constrict, cramp, curb, dam, debar, delay, encumber, estop, exclude, fend off, forbid, foreclose, frustrate, halt, hamper, hinder, hobble, intercept, interdict, interfere with, jam, leave out, limit, obstruct, occlude, oppose, parry, plug up, preclude, prevent, prohibit, proscribe, repulse, restrain, restrict, retard, shut off, shut up, snag, stall, stand in the way, stay, stem, stop, stop up, thwart, trammel, wall up
See also: arrest, balk, ban, bar, barrier, bind, blockade, bulk, censorship, check, clog, condemn, constrain, constrict, contain, damper, deadlock, debar, defeat, delay, deter, deterrence, deterrent, disadvantage, disqualify, encumber, enjoin, exclude, forbid, halt, hamper, hinder, hold up, impasse, impede, impediment, inhibit, interdict, interfere, interpose, interruption, keep, kill, land, limitation, lock, obstacle, obstruct, obstruction, obturate, occlude, oppose, parcel, parry, plot, preclude, prevent, procrastinate, prohibit, prohibition, real estate, resist, restrain, section, shut, stall, stave, stay, stem, stifle, stop, strangle, toll, vicinity, withhold, withstand
References in periodicals archive ?
Arrhythmias were identified as atrial premature beats (APBs), ventricular premature beats, sinoatrial blocks (SABs), atrioventricular blocks (AVBs), or ventricular tachycardia.
It seems that, most likely due to dual blood supply and adequate flow compensation to the sinoatrial node through the second artery, complete occlusion of RCA did not result in sinoatrial block or severe bradycardia.