A COMPARISON OF HEMODYNAMIC EFFECTS OF VENTRICULAR AND SEQUENTIAL A-V PACING IN PATIENTS WITH HEART BLOCK

被引:99
作者
LEINBACH, RC
CHAMBERLAIN, DA
KASTOR, JA
HARTHORNE, JW
SANDERS, CA
机构
[1] Cardiac Catheterization Unit, Massachusetts General Hospital, Boston
关键词
D O I
10.1016/0002-8703(69)90484-0
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
A comparison was made of the effects of ventricular pacing and sequential A-V pacing at individually determined optimal P-R intervals in ten patients with A-V block. At heart rates 10 beats per minute faster than sinus rate, the average cardiac output increased from 4.6 to 5.7 L. per minute (24 per cent, p < 0.001) and central venous pressure fell from 5.5 to 2.5 mm. Hg (p < 0.01), with the restoration of properly timed atrial systole. The results were similar in six of the patients studied at a rate of 40 beats per minute faster than sinus rate. © 1969.
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页码:502 / +
页数:1
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