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Circulation. 1987;75:131-138

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Circulation, Vol 75, 131-138, Copyright © 1987 by American Heart Association


ARTICLES

Circadian variation in the frequency of sudden cardiac death

JE Muller, PL Ludmer, SN Willich, GH Tofler, G Aylmer, I Klangos and PH Stone

To determine whether sudden cardiac death exhibits a circadian rhythm similar to that recently demonstrated for nonfatal myocardial infarction, we analyzed the time of day of sudden cardiac death as indicated by death certificates of 2203 individuals dying out of the hospital in Massachusetts in 1983. The data reveal a prominent circadian variation of sudden cardiac death, with a low incidence during the night and an increased incidence from 7 to 11 A.M. The pattern is remarkably similar to that reported for nonfatal myocardial infarction and episodes of myocardial ischemia. The finding that the frequency of sudden cardiac death is increased in the morning is compatible with hypotheses that sudden cardiac death results from ischemia or from a primary arrhythmic event. Further study of the physiologic changes occurring in the morning may provide new information supporting or refuting these hypotheses, thereby leading to increased understanding and possible prevention of sudden cardiac death.


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Sympathetic-Nerve Activity during Sleep in Normal Subjects
N. Engl. J. Med., February 4, 1993; 328(5): 303 - 307.
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Arch Intern MedHome page
D. D. Buff, J. M. Fleisher, J. A. Roca, M. Jaffri, and P. M. Wyrwinski
Circadian Distribution of In-Hospital Cardiopulmonary Arrests on the General Medical Ward
Arch Intern Med, June 1, 1992; 152(6): 1282 - 1288.
[Abstract] [PDF]


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Journal of Pharmacy PracticeHome page
M. D. Wilson
Therapeutic Issues in the Evaluation and Treatment of the Hypertensive Patient: White Coat Hypertension and Once Daily Dosing of Antihypertensive Agents
Journal of Pharmacy Practice, January 1, 1992; 5(2): 106 - 114.
[Abstract] [PDF]


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Arch Intern MedHome page
P. C. Deedwania and E. V. Carbajal
Silent Myocardial Ischemia: A Clinical Perspective
Arch Intern Med, December 1, 1991; 151(12): 2373 - 2382.
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Arch NeurolHome page
E. E. Marsh III, J. Biller, H. P. Adams Jr, J. R. Marler, J. R. Hulbert, B. B. Love, and D. L. Gordon
Circadian Variation in Onset of Acute Ischemic Stroke
Arch Neurol, November 1, 1990; 47(11): 1178 - 1180.
[Abstract] [PDF]


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Arch Intern MedHome page
T. D. Giles, M. Weber, D. W. Bartels, H. M. Silberman, L. P. Gilderman, and J. F. Burns
Treatment of Isolated Systolic Hypertension With Labetalol in the Elderly
Arch Intern Med, May 1, 1990; 150(5): 974 - 976.
[Abstract] [PDF]


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Arch Intern MedHome page
M. A. Sirgo, R. J. Mills, and V. DeQuattro
Effects of Antihypertensive Agents on Circadian Blood Pressure and Heart Rate Patterns: Review
Arch Intern Med, December 1, 1988; 148(12): 2547 - 2552.
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JAMAHome page
J. J. Sacks, D. F. Stroup, M. L. Will, E. L. Harris, E. Israel, Centers for Disease Control--Maryland Department o, D. Anderson, K. H. Aung, B. Nelson, J. Quinley, et al.
A Nurse-Associated Epidemic of Cardiac Arrests in an Intensive Care Unit
JAMA, February 5, 1988; 259(5): 689 - 695.
[Abstract] [PDF]


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JAMAHome page
E. G. Nabel, M. B. Rocco, J. Barry, S. Campbell, and A. P. Selwyn
Asymptomatic Ischemia in Patients With Coronary Artery Disease
JAMA, April 10, 1987; 257(14): 1923 - 1928.
[Abstract] [PDF]