block

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Related to Bundle branch block: Left bundle branch block, Right 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 ?
Of note, only one patient had left bundle branch block, and that patient survived, whereas 7 out of 7 patients with right bundle branch block died.
In patients with left bundle branch block, who represented 70 percent of the study group, CRT-D showed a reduction in the risk of death and heart failure by 57 percent, as compared to ICD alone.
Our patient had evidence of a diseased conduction system on his baseline electrocardiogram, with sinus rhythm with 2:1 AV block and bifascicular block (right bundle branch block and left anterior hemiblock).
Patients in Emergency Departments (ED) with suspected myocardial infarction (MI), commonly referred to as a heart attack, frequently have a diffuse 12-lead ECG abnormality known as Left Bundle Branch Block (LBBB).
All had a diagnosis of heart failure and/or bundle branch block and underwent a primary procedure of pacemaker, cardiac resynchronization therapy pacemaker (CRT-P), implantable cardioverter defibrillator (ICD), or cardiac resynchronization therapy defibrillator (CRT-D) implantation, Robert Fishel, M.
Ninety-eight patients were excluded for the following reasons: 1) history of myocardial infarction or pathological Q wave on ECG (90 patients), 2) presence of typical bundle branch block (4 patients) and 3) presence of incomplete right bundle branch block (4 patients).
and in I, aVL or II, III, aVF Right bundle branch block Wide QRS; broad S in I, V6; R peaks late in [V.
Adult acute rheumatic fever: A rare case presenting with left bundle branch block.
Persons at intermediate probability of coronary disease without a paced rhythm, ventricular pre-excitation, left bundle branch block, or ST depression greater than 1 mm on resting ECG may be evaluated with treadmill testing in the absence of imaging.