PACE BEFORE IT'S TOO LATE! SECOND DEGREE AV BLOCK WITH RBBB AND LAFB
نویسندگان
چکیده
منابع مشابه
Second-degree AV block.
Second-degree AV block includes a variety of conduction patterns of variable prognostic significance. Careful analysis of the pattern of PR and R-R intervals, the QRS axis and duration, as well as the presence or absence of structural heart disease should allow the medical director to assess the applicant's risk for life insurance.
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Concealed AV junctional extrasystoles are described which, conducted in a restrograde manner to the sinoatrial junction, interfere with sinus impulses, thus simulating a second-degree, 2:1, sinoatrial block.
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The heart is a major target organ for thyroid hormone action. Severe overt hypothyroidism can result in diastolic hypertension, lowered cardiac output, impaired left ventricular contractility and diastolic relaxation, pericardial effusion and bradycardia. However, the function of the atrial pacemaker is usually normal and the degree by which the heart rate slows down is often modest. Here we re...
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1) While it is possible only one type of second-degree AV block exists electrophysiologically, the available data do not justify such a conclusion and it would seem more appropriate to remain a "splitter," and advocate separation and definition of multiple mechanisms, than to be a "lumper," and embrace a unitary concept. 2) The clinical classification of type I and type II AV block, based on pr...
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carefully weeded of difficult generalities; and at a later stage a philosophical theory. To begin with the latter would be to my mind a mistake; the appeal would be to too limited a class. Professor E.H. Moore, the vice-president of the Society, was also concerned with “fundamental ideas” in calculus, delivering an address titled “Certain fundamental ideas which should be emphasized throughout ...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2018
ISSN: 0735-1097
DOI: 10.1016/s0735-1097(18)33160-7