block

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Related to atrioventricular block: Bundle branch block

Block

Large quantity of stock or large dollar amount of bonds held or traded. As a rule of thumb, 10,000 shares or more of stock and $200,000 or more worth of bonds would be described as a block.

Block

An exceptionally large amount or value of securities. While there is no specific definition of how many shares constitute a block, most people using the term refer to holding or trading more than 10,000 shares and/or shares worth more than $200,000. Almost invariably, trades of this magnitude involve institutional investors. See also: Block trade, Secondary issue.

block

A large amount of a security, usually 10,000 shares or more.

block

An area bounded by perimeter streets.Many subdivision descriptions employ a subdivision name,and then a block number and a lot number to identify particular properties.The numbers are assigned when the subdivision developer files its plat plan with local authorities.

References in periodicals archive ?
Harrigan, "Diagnosis and management of bradycardia and atrioventricular block associated with acute coronary ischemia," Emergency Medicine Clinics of North America, vol.
Atrioventricular block induced by swallowing in a patient with diffuse esophageal spasm.
Due to third degree atrioventricular block, a two-chamber permanent pacemaker was implanted (Figure 2).
Case reports have also documented complete reversion of second-degree atrioventricular block after initiation of CPAP treatment [68].
This patient presented with third degree atrioventricular block secondary to chronic CD.
Examples are an incomplete right bundle branch block, early repolarization, isolated QRS voltage criteria for left ventricular hypertrophy, and first-degree atrioventricular block. Some experts argue that if we remove these specific findings, we will be left primarily with the most concerning ones and thus can improve the false-positive rate.
(5), (6) Other complications include coronary occlusion, atrioventricular block (3 -10% of SAPIEN valves) and acute renal injury.5'6 Trace to mild aortic regurgitation post implantation is reported in up to 70% of cases.
Exposure ro 0.8 ppm [O.sub.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.
Although her medical history revealed no cardiovascular disease, complete atrioventricular block was detected by electrocardiography.
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.
TIMOPTIC in OCUDOSE, TIMOPTIC, and TIMOPTIC-XE are contraindicated in patients with bronchial asthma; a history of bronchial asthma; severe chronic obstructive pulmonary disease; sinus bradycardia; second or third degree atrioventricular block; overt cardiac failure; cardiogenic shock; or hypersensitivity to any component of this product.
In the study group, the pre-anesthetic electrocardiogram revealed a first-degree atrioventricular block in 3% of the animals, Type I Mobitz second-degree atrioventricular block in 3% of the animals, and sinus pauses in 11% of the animals showing that overall, 17% of the animals could have degenerative alterations in the conduction system as a result of aging.

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