block

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Related to atrioventricular block: Bundle branch 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 ?
The relatively rapid subsidiary pace maker may have contributed to the complete atrioventricular dissociation, and the atrioventricular block may have not been complete.
Duration of complete atrioventricular block after congenital heart disease surgery.
Atrioventricular block can reflect prenatal exposure to maternal anti-SSA/Ro antibodies and the high mortality associated with cardiac neonatal lupus has been shown (14).
The electrocardiogram (ECG) obtained by paramedics showed second-degree atrioventricular block (AVB) (Figure 1) with a heart rate of 30 beats per minute.
Unfortunately, although atrioventricular block decreased to second and then first degree over 2 days, the patient remained poorly responsive for 6 days, suffered transient kidney failure requiring hemodialysis, and had acute respiratory distress syndrome requiring endotracheal ventilation for 12 days.
Sid's cardiograph showed he had an atrioventricular block.
First Holter Second Holter 1 2,3 2,3 2 3 3,6 3 3,5 6 4 1 1 5 2,3 3 6 2,3 2,3 7 2 2 8 6 2,6 9 1 3,6 10 3 1 11 1 1 12 4 1 13 1 2,3 14 4 4 15 8 Pacemaker 16 1 1 17 1 1 18 2,3,6 2,3,5 19 2 1 20 3 5 21 1 2,3 22 1 3,7 23 1 2,3 24 1 1 25 3,4 3 26 2,3 1 27 4 1 28 2,3 3 29 2,3,6 3 1, normal; 2, ventricular extrasystole; 3, supraventricular extrasystole; 4, sinus tachycardia; 5, sinus bradycardia; 6, paroxysmal atrial fibrillation; 7, paroxysmal supraventricular tachycardia; 8, atrioventricular block.
Bradycardia with high-grade atrioventricular block occurring during obstructive sleep apnea can in most instances be eliminated with CPAP.
An electrocardiogram showed a left anterior hemiblock and a first-degree atrioventricular block.
The signature cardiac lesion is atrioventricular block [congenital heart block (CHB)], but in 15% to 20% of cases there is an associated, frequently fatal, cardiomyopathy.
3] was associated with bradycardia, PR prolongation, ST depression, and substantial increases in atrial premature beats, sinoatrial block, and atrioventricular block accompanied by concurrent increases in several heart rate variability parameters.

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