Scimago Journal & Country Rank



United States

Universities and research institutions in United States

Subject Area and Category


Lippincott Williams and Wilkins Ltd.



Publication type



00097322, 15244539





How to publish in this journal


Circulation publishes original research manuscripts, review articles, and other invited content related to cardiovascular health and disease, including observational studies, clinical trials, epidemiology, health services and outcomes studies, and advances in basic and translational research. Join the conversation about this journal

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Cardiology and Cardiovascular Medicine1999Q1
Cardiology and Cardiovascular Medicine2000Q1
Cardiology and Cardiovascular Medicine2001Q1
Cardiology and Cardiovascular Medicine2002Q1
Cardiology and Cardiovascular Medicine2003Q1
Cardiology and Cardiovascular Medicine2004Q1
Cardiology and Cardiovascular Medicine2005Q1
Cardiology and Cardiovascular Medicine2006Q1
Cardiology and Cardiovascular Medicine2007Q1
Cardiology and Cardiovascular Medicine2008Q1
Cardiology and Cardiovascular Medicine2009Q1
Cardiology and Cardiovascular Medicine2010Q1
Cardiology and Cardiovascular Medicine2011Q1
Cardiology and Cardiovascular Medicine2012Q1
Cardiology and Cardiovascular Medicine2013Q1
Cardiology and Cardiovascular Medicine2014Q1
Cardiology and Cardiovascular Medicine2015Q1
Cardiology and Cardiovascular Medicine2016Q1
Cardiology and Cardiovascular Medicine2017Q1
Cardiology and Cardiovascular Medicine2018Q1
Cardiology and Cardiovascular Medicine2019Q1
Physiology (medical)1999Q1
Physiology (medical)2000Q1
Physiology (medical)2001Q1
Physiology (medical)2002Q1
Physiology (medical)2003Q1
Physiology (medical)2004Q1
Physiology (medical)2005Q1
Physiology (medical)2006Q1
Physiology (medical)2007Q1
Physiology (medical)2008Q1
Physiology (medical)2009Q1
Physiology (medical)2010Q1
Physiology (medical)2011Q1
Physiology (medical)2012Q1
Physiology (medical)2013Q1
Physiology (medical)2014Q1
Physiology (medical)2015Q1
Physiology (medical)2016Q1
Physiology (medical)2017Q1
Physiology (medical)2018Q1
Physiology (medical)2019Q1

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19998.672
Cites / Doc. (4 years)200010.302
Cites / Doc. (4 years)200110.827
Cites / Doc. (4 years)200210.896
Cites / Doc. (4 years)200311.486
Cites / Doc. (4 years)200412.557
Cites / Doc. (4 years)200513.244
Cites / Doc. (4 years)200613.814
Cites / Doc. (4 years)200713.455
Cites / Doc. (4 years)200812.395
Cites / Doc. (4 years)200913.196
Cites / Doc. (4 years)201013.376
Cites / Doc. (4 years)201114.144
Cites / Doc. (4 years)201214.937
Cites / Doc. (4 years)201315.221
Cites / Doc. (4 years)201415.220
Cites / Doc. (4 years)201515.058
Cites / Doc. (4 years)201615.169
Cites / Doc. (4 years)201715.619
Cites / Doc. (4 years)201816.560
Cites / Doc. (4 years)201914.937
Cites / Doc. (3 years)19998.672
Cites / Doc. (3 years)200010.149
Cites / Doc. (3 years)200110.787
Cites / Doc. (3 years)200210.570
Cites / Doc. (3 years)200311.250
Cites / Doc. (3 years)200412.970
Cites / Doc. (3 years)200513.509
Cites / Doc. (3 years)200613.224
Cites / Doc. (3 years)200712.744
Cites / Doc. (3 years)200811.893
Cites / Doc. (3 years)200913.051
Cites / Doc. (3 years)201013.331
Cites / Doc. (3 years)201113.982
Cites / Doc. (3 years)201215.342
Cites / Doc. (3 years)201315.257
Cites / Doc. (3 years)201414.675
Cites / Doc. (3 years)201514.992
Cites / Doc. (3 years)201615.979
Cites / Doc. (3 years)201716.478
Cites / Doc. (3 years)201816.192
Cites / Doc. (3 years)201914.519
Cites / Doc. (2 years)19998.186
Cites / Doc. (2 years)20009.811
Cites / Doc. (2 years)20019.899
Cites / Doc. (2 years)20029.707
Cites / Doc. (2 years)200311.175
Cites / Doc. (2 years)200413.079
Cites / Doc. (2 years)200512.601
Cites / Doc. (2 years)200611.926
Cites / Doc. (2 years)200711.688
Cites / Doc. (2 years)200811.191
Cites / Doc. (2 years)200912.607
Cites / Doc. (2 years)201012.658
Cites / Doc. (2 years)201113.938
Cites / Doc. (2 years)201215.261
Cites / Doc. (2 years)201314.396
Cites / Doc. (2 years)201413.904
Cites / Doc. (2 years)201515.597
Cites / Doc. (2 years)201616.838
Cites / Doc. (2 years)201715.602
Cites / Doc. (2 years)201815.377
Cites / Doc. (2 years)201914.065
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites19991575
Self Cites20001970
Self Cites20012295
Self Cites20022369
Self Cites20032620
Self Cites20042823
Self Cites20052459
Self Cites20062045
Self Cites20071604
Self Cites20081288
Self Cites20091137
Self Cites20101299
Self Cites20111441
Self Cites20121310
Self Cites20131122
Self Cites20141002
Self Cites2015721
Self Cites2016900
Self Cites2017715
Self Cites2018613
Self Cites2019602
Total Cites199922895
Total Cites200028611
Total Cites200132802
Total Cites200235685
Total Cites200339779
Total Cites200445344
Total Cites200548524
Total Cites200647661
Total Cites200743649
Total Cites200837105
Total Cites200936216
Total Cites201033767
Total Cites201131627
Total Cites201233323
Total Cites201332956
Total Cites201430172
Total Cites201528125
Total Cites201625710
Total Cites201725129
Total Cites201825000
Total Cites201924188
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19998.076
External Cites per document20009.451
External Cites per document200110.032
External Cites per document20029.868
External Cites per document200310.509
External Cites per document200412.163
External Cites per document200512.824
External Cites per document200612.657
External Cites per document200712.276
External Cites per document200811.480
External Cites per document200912.641
External Cites per document201012.818
External Cites per document201113.345
External Cites per document201214.739
External Cites per document201314.738
External Cites per document201414.188
External Cites per document201514.608
External Cites per document201615.420
External Cites per document201716.009
External Cites per document201815.795
External Cites per document201914.157
Cites per document19998.672
Cites per document200010.149
Cites per document200110.787
Cites per document200210.570
Cites per document200311.250
Cites per document200412.970
Cites per document200513.509
Cites per document200613.224
Cites per document200712.744
Cites per document200811.893
Cites per document200913.051
Cites per document201013.331
Cites per document201113.982
Cites per document201215.342
Cites per document201315.257
Cites per document201414.675
Cites per document201514.992
Cites per document201615.979
Cites per document201716.478
Cites per document201816.192
Cites per document201914.519
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents1999693
Non-citable documents2000697
Non-citable documents2001609
Non-citable documents2002596
Non-citable documents2003654
Non-citable documents2004717
Non-citable documents2005720
Non-citable documents2006720
Non-citable documents2007762
Non-citable documents2008858
Non-citable documents2009874
Non-citable documents2010891
Non-citable documents2011919
Non-citable documents2012994
Non-citable documents20131075
Non-citable documents20141099
Non-citable documents20151144
Non-citable documents20161195
Non-citable documents20171198
Non-citable documents20181090
Non-citable documents20191091
Citable documents19992640
Citable documents20002819
Citable documents20013041
Citable documents20023376
Citable documents20033536
Citable documents20043496
Citable documents20053592
Citable documents20063604
Citable documents20073425
Citable documents20083120
Citable documents20092775
Citable documents20102533
Citable documents20112262
Citable documents20122172
Citable documents20132160
Citable documents20142056
Citable documents20151876
Citable documents20161609
Citable documents20171525
Citable documents20181544
Citable documents20191666
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999700
Uncited documents2000704
Uncited documents2001753
Uncited documents2002741
Uncited documents2003746
Uncited documents2004681
Uncited documents2005691
Uncited documents2006714
Uncited documents2007911
Uncited documents20081098
Uncited documents20091143
Uncited documents20101051
Uncited documents2011917
Uncited documents2012988
Uncited documents20131046
Uncited documents20141023
Uncited documents20151025
Uncited documents20161050
Uncited documents20171070
Uncited documents20181044
Uncited documents20191134
Cited documents19992633
Cited documents20002812
Cited documents20012897
Cited documents20023231
Cited documents20033444
Cited documents20043532
Cited documents20053621
Cited documents20063610
Cited documents20073276
Cited documents20082880
Cited documents20092506
Cited documents20102373
Cited documents20112264
Cited documents20122178
Cited documents20132189
Cited documents20142132
Cited documents20151995
Cited documents20161754
Cited documents20171653
Cited documents20181590
Cited documents20191623
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