block

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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 ?
5] These treatments are thought to work by decreasing calcium ion concentrations in the area of the nerve fibers, possibly opposing the conduction block caused by the temperature increase.
University Hospital Maastricht in The Netherlands, reported a direct connection between conduction block and successful Surgical Cardiac Ablation.
Lazzara commented, "By using a combination of the COBRA Adhere XL, which utilizes patented temperature control, internal cooling, and suction technology for RF ablation, followed with the AFfirm Bipolar Pacing Probe to confirm conduction block, we believe our ability to successfully treat patients in a totally thorascopic technique is greatly improved.
ESTECH announced today market launch of AFfirm(TM), an Atrial Fibrillation (AF) conduction block verification probe and the latest product innovation in ESTECH's drive to set a new standard in Atrial Fibrillation treatments.
Atrioventricular and intraventricular block: Ischemic injury can produce conduction block at any level of the AV or intraventricular conduction system.
Complete conduction block can be achieved in the atrial wall utilizing
The patented, proprietary, catheter-based Atrionix system for curing AF uses balloon-based ultrasound to ablate a narrow ring of tissue surrounding the base of a pulmonary vein, thus forming a conduction block that isolates the atrium from AF-initiating foci originating "upstream" of the block, in the pulmonary vein.
Patent Number 6,012,457 entitled "Device and Method For Forming a Circumferential Conduction Block In A Pulmonary Vein," originally filed in early 1997.
I would have expected patients on beta-blockers to be protected, but they weren't, so probably conduction blocks [caused by quinine] are the problem," she said.