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Medicine
Singapore
2023

D-Index & Metrics

Medicine

D-Index
113
Citations
42501
World Ranking
5002
National Ranking
2713

K. Ranga Rama Krishnan publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where K. Ranga Rama Krishnan sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 366 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

K. Ranga Rama Krishnan D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where K. Ranga Rama Krishnan sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 113 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Medicine in Singapore Leader Award
  • 2022 - Research.com Medicine in Singapore Leader Award
  • 2007 - Member of the National Academy of Medicine (NAM)

Overview

K. Ranga Rama Krishnan is affiliated with Rush University Medical Center in the United States. Their research primarily focuses on the field of Medicine, with a strong emphasis on Cardiology and Cardiovascular Medicine as well as several intersecting disciplines including Cognitive Neuroscience, Biomedical Engineering, Neurology, and Internal Medicine.

Their work covers a range of topics in cardiac health and treatment, including:

  • Cardiac Arrhythmias and Treatments
  • Atrial Fibrillation Management and Outcomes
  • Cardiac pacing and defibrillation studies
  • Cardiac electrophysiology and arrhythmias
  • Cardiac Valve Diseases and Treatments
  • Venous Thromboembolism Diagnosis and Management
  • Cardiomyopathy and Myosin Studies

K. Ranga Rama Krishnan has contributed extensively to academic literature, with numerous publications in key journals. Frequent venues for their published works include:

  • Heart Rhythm
  • Journal of Cardiovascular Electrophysiology
  • Journal of Interventional Cardiac Electrophysiology
  • Journal of the American College of Cardiology
  • Psychopharmacology Bulletin

Some of the recent papers co-authored or associated with K. Ranga Rama Krishnan are:

  • Clinical outcomes of left bundle branch area pacing compared to right ventricular pacing: Results from the Geisinger-Rush Conduction System Pacing Registry, 2021, Heart Rhythm
  • High-power short duration vs. conventional radiofrequency ablation of atrial fibrillation: a systematic review and meta-analysis, 2020, EP Europace
  • Effectiveness of a Brain-Computer Interface Based Programme for the Treatment of ADHD: A Pilot Study, 2025, Psychopharmacology Bulletin
  • Development of New-Onset or Progressive Atrial Fibrillation in Patients With Permanent HIS Bundle Pacing Versus Right Ventricular Pacing: Results From the RUSH HBP Registry, 2020, Journal of the American Heart Association
  • Sensors for rate-adaptive pacing: How they work, strengths, and limitations, 2020, Journal of Cardiovascular Electrophysiology

Their frequent co-authors include:

  • Parikshit S. Sharma
  • Richard G. Trohman
  • Timothy R. Larsen
  • Jeremiah Wasserlauf
  • Henry D. Huang

K. Ranga Rama Krishnan has been recognized with the award of Member of the National Academy of Medicine (NAM) in 2007, indicating acknowledgment by a prominent medical institution.

Best Publications

  • Effects of Exercise Training on Older Patients With Major Depression

    James A. Blumenthal;Michael A. Babyak;Kathleen A. Moore;W. Edward Craighead

  • Sertraline Treatment of Major Depression in Patients With Acute MI or Unstable Angina

    Alexander H. Glassman;Christopher M. O'Connor;Robert M. Califf;Karl Swedberg

  • Exercise Treatment for Major Depression: Maintenance of Therapeutic Benefit at 10 Months

    Michael Babyak;James A. Blumenthal;Steve Herman;Parinda Khatri

  • Mood disorders in the medically ill: scientific review and recommendations.

    Dwight L. Evans;Dennis S. Charney;Dennis S. Charney;Lydia Lewis;Robert N. Golden

  • MRI-defined vascular depression.

    K R Krishnan;J C Hays;D G Blazer

  • Psychiatric and medical comorbidities of bipolar disorder.

    K Ranga Rama Krishnan

  • Effect of Hypericum perforatum (St John's wort) in major depressive disorder: a randomized controlled trial

    Jonathan R.T. Davidson;Kishore M. Gadde;John A. Fairbank;K. Ranga Rama Krishnan

  • Loss-of-function mutation in tryptophan hydroxylase-2 identified in unipolar major depression.

    Xiaodong Zhang;Raul R. Gainetdinov;Jean-Martin Beaulieu;Tatyana D. Sotnikova

  • Depression and Bipolar Support Alliance consensus statement on the unmet needs in diagnosis and treatment of mood disorders in late life.

    Dennis S. Charney;Charles F. Reynolds;Lydia Lewis;Barry D. Lebowitz

  • Provisional diagnostic criteria for depression of Alzheimer disease.

    Jason T. Olin;Lon S. Schneider;Ira R. Katz;Barnett S. Meyers

  • Magnetic resonance imaging of the caudate nuclei in depression. Preliminary observations.

    K. Ranga Rama Krishnan;William M. McDonald;P. Rodrigo Escalona;P. Murali Doraiswamy

  • Platelet/Endothelial Biomarkers in Depressed Patients Treated With the Selective Serotonin Reuptake Inhibitor Sertraline After Acute Coronary Events The Sertraline AntiDepressant Heart Attack Randomized Trial (SADHART) Platelet Substudy

    Victor L. Serebruany;Alexander H. Glassman;Alex I. Malinin;Charles B. Nemeroff

  • Hippocampal volume in geriatric depression

    David C Steffens;Christopher E Byrum;Douglas R McQuoid;Daniel L Greenberg

  • Assessment and treatment of depression in patients with cardiovascular disease: National Heart, Lung, and Blood Institute working group report.

    Karina W. Davidson;David J. Kupfer;J. Thomas Bigger;Robert M. Califf;Robert M. Califf

  • Structural neuroimaging and mood disorders: Recent findings, implications for classification, and future directions

    David C. Steffens;K. Ranga Rama Krishnan

  • Comorbidity of depression with other medical diseases in the elderly.

    K.Ranga R Krishnan;Mahlon Delong;Helena Kraemer;Robert Carney

  • Zonisamide for weight loss in obese adults: a randomized controlled trial.

    Kishore M. Gadde;Deborah M. Franciscy;H. Ryan Wagner;K. Ranga R. Krishnan

  • A magnetic resonance imaging study of putamen nuclei in major depression

    Mustafa M. Husain;William M. McDonald;P.Murali Doraiswamy;Gary S. Figiel

  • Adrenal Gland Enlargement in Major Depression: A Computed Tomographic Study

    Charles B. Nemeroff;K. Ranga R. Krishnan;Deborah Reed;Richard Leder

  • Hypercortisolemia and hippocampal changes in depression

    David A. Axelson;P.Murali Doraiswamy;William M. McDonald;Orest B. Boyko

Frequent Co-Authors

David C. Steffens
David C. Steffens University of Connecticut
James R. MacFall
James R. MacFall Duke University
P. Murali Doraiswamy
P. Murali Doraiswamy Duke University
Charles B. Nemeroff
Charles B. Nemeroff The University of Texas at Austin
Warren D. Taylor
Warren D. Taylor Vanderbilt University Medical Center
Dan G. Blazer
Dan G. Blazer Duke University
James M. Provenzale
James M. Provenzale Duke University
Bernard J. Carroll
Bernard J. Carroll Duke University

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