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Unusual manifestations of severe sick sinus syndrome.

Abstract：

:An extremely athletic 56-year-old male physician was found to have profound sinus bradycardia. His only symptom was markedly increased alertness while actively exercising. During pacemaker insertion he had an episode of prolonged sinus arrest terminated by a precordial thump. This case suggests that exercise can alter autonomic tone and increase cardiac output in sick sinus syndrome, causing improvement in possibly unrecognized, subtle, cerebral symptoms. It also appears that patients with profound sinus bradycardia should be given a substantial dose of atropine prior to pacemaker insertion in an effort to prevent prolonged sinus arrest.

journal_name

Am Heart J

journal_title

American heart journal

authors

Marmor BM,Black MM

doi

10.1016/0002-8703(80)90284-7

subject

Has Abstract

pub_date

1980-07-01 00:00:00

pages

95-8

issue

1

eissn

0002-8703

issn

1097-6744

pii

0002-8703(80)90284-7

journal_volume

100

pub_type

杂志文章

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