Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1945 25
1946 74
1947 86
1948 63
1949 78
1950 90
1951 135
1952 87
1953 124
1954 109
1955 94
1956 99
1957 109
1958 137
1959 127
1960 164
1961 152
1962 196
1963 291
1964 599
1965 507
1966 302
1967 348
1968 339
1969 400
1970 396
1971 369
1972 404
1973 436
1974 473
1975 460
1976 481
1977 510
1978 474
1979 530
1980 498
1981 466
1982 560
1983 570
1984 576
1985 552
1986 612
1987 728
1988 765
1989 813
1990 746
1991 775
1992 842
1993 751
1994 815
1995 778
1996 842
1997 877
1998 905
1999 912
2000 857
2001 864
2002 886
2003 877
2004 985
2005 1124
2006 1311
2007 1330
2008 1380
2009 1405
2010 1423
2011 1590
2012 1610
2013 1804
2014 1972
2015 2157
2016 2098
2017 1998
2018 2129
2019 2187
2020 1833
2021 1055
2022 243
2023 114
2024 44

Text availability

Article attribute

Article type

Publication date

Search Results

52,490 results

Results by year

Filters applied: . Clear all
Page 1
Heart rate variability: origins, methods, and interpretive caveats.
Berntson GG, Bigger JT Jr, Eckberg DL, Grossman P, Kaufmann PG, Malik M, Nagaraja HN, Porges SW, Saul JP, Stone PH, van der Molen MW. Berntson GG, et al. Psychophysiology. 1997 Nov;34(6):623-48. doi: 10.1111/j.1469-8986.1997.tb02140.x. Psychophysiology. 1997. PMID: 9401419 Review.
Heart rate variability: a review.
Rajendra Acharya U, Paul Joseph K, Kannathal N, Lim CM, Suri JS. Rajendra Acharya U, et al. Med Biol Eng Comput. 2006 Dec;44(12):1031-51. doi: 10.1007/s11517-006-0119-0. Epub 2006 Nov 17. Med Biol Eng Comput. 2006. PMID: 17111118 Review.
Heart rate as a predictor of cardiovascular risk.
Tadic M, Cuspidi C, Grassi G. Tadic M, et al. Eur J Clin Invest. 2018 Mar;48(3). doi: 10.1111/eci.12892. Epub 2018 Feb 5. Eur J Clin Invest. 2018. PMID: 29355923 Review.
Heart rate as a predictor of cardiovascular risk.
Seravalle G, Quarti Trevano F, Grassi G. Seravalle G, et al. Minerva Med. 2021 Feb;112(1):130-143. doi: 10.23736/S0026-4806.20.06695-1. Epub 2020 Jun 5. Minerva Med. 2021. PMID: 32512980 Review.
52,490 results
You have reached the last available page of results. Please see the User Guide for more information.