Block

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Related to fascicular block: Left posterior fascicular 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.

References in periodicals archive ?
In addition, it meets two criteria for LVH that have been validated in patients with left anterior fascicular block: S wave in lead III + largest R+S in any single precordial lead >3.0 mV (6) and S[V.sub.1] + R[V.sub.5] + S[V.sub.5] > 2.5 mV.
He also had incipient baldness, cataract, and left anterior fascicular block in ECG.
An EKG demonstrated sinus rhythm with complete heart block, right bundle branch block, and left anterior fascicular block, as well as T wave abnormalities suggestive of possible ischemia (Figure 1).
Subsequent ECG 19 hours post-presentation revealed 2:1 atrioventricular (AV) block, left anterior fascicular block on the conducted beats and diffuse T wave inversions in leads I, aVL, V2-V6 with a QTc of 743 ms (Fig.
A Comparison of Rank Order of the Most Common Electrocardiogram (ECG) Findings in Two Ambulatory Family Practice Studies Rank Order of Most Common Findings(*) Hershey Froom and ECG Finding Medical Center Froom[1] Normal ECG 1 1 Abnormal ST-T wave 2 2 Old myocardial infarct 3 3 Left axis deviation 4 6 or left anterior fascicular block Premature ventricular 5 4 beat Left ventricular 6 10 hypertrophy with or without strain First degree anterior-ventricular block 8 9 Right bundle branch block 8 15 Atrial fibrillation 10 8 Atrial premature complex 10 5 Low voltage frontal leads 11 7 Left atrial abnormality 12 12 (*) Hershey Medical Center: 301 ECGs, 454 findings; Froom and Froom: 370 ECGs, 462 finding.