World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
72
Citations
17953
World Ranking
19852
National Ranking
9889

Ali Ahmed 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 Ali Ahmed 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: 571 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Ali Ahmed 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 Ali Ahmed 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: 72 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Internal medicine
  • Heart failure
  • Surgery

Internal medicine, Heart failure, Cardiology, Hazard ratio and Confidence interval are his primary areas of study. His Internal medicine study frequently intersects with other fields, such as Surgery. His work carried out in the field of Heart failure brings together such families of science as Epidemiology, Proportional hazards model, Diastole and Propensity score matching.

His Proportional hazards model study combines topics from a wide range of disciplines, such as Mortality rate and Increased risk. While the research belongs to areas of Cardiology, Ali Ahmed spends his time largely on the problem of Severity of illness, intersecting his research to questions surrounding Cause of death. His research integrates issues of Endocrinology, Survival rate, Case-control study, Ambulatory and Cohort in his study of Hazard ratio.

His most cited work include:

  • Effects of Digoxin on Morbidity and Mortality in Diastolic Heart Failure The Ancillary Digitalis Investigation Group Trial (465 citations)
  • Heart failure, chronic diuretic use, and increase in mortality and hospitalization: an observational study using propensity score methods (346 citations)
  • Digoxin and Reduction in Mortality and Hospitalization in Heart Failure: A Comprehensive Post-Hoc Analysis of the DIG Trial (308 citations)

What are the main themes of his work throughout his whole career to date?

His main research concerns Internal medicine, Heart failure, Cardiology, Hazard ratio and Confidence interval. His study in the field of Proportional hazards model, Cohort, Digoxin and Blood pressure is also linked to topics like In patient. His Heart failure research is mostly focused on the topic Ejection fraction.

Ali Ahmed interconnects Kidney disease and Diastole in the investigation of issues within Cardiology. His Hazard ratio research integrates issues from Prospective cohort study, Surgery, Cohort study, Lower risk and Risk factor. Ali Ahmed works mostly in the field of Confidence interval, limiting it down to topics relating to Incidence and, in certain cases, Epidemiology.

He most often published in these fields:

  • Internal medicine (122.95%)
  • Heart failure (119.15%)
  • Cardiology (88.74%)

What were the highlights of his more recent work (between 2017-2021)?

  • Internal medicine (122.95%)
  • Heart failure (119.15%)
  • Cardiology (88.74%)

In recent papers he was focusing on the following fields of study:

His scientific interests lie mostly in Internal medicine, Heart failure, Cardiology, Hazard ratio and Ejection fraction. His research in Internal medicine tackles topics such as Gastroenterology which are related to areas like Sudden death. His work in Heart failure tackles topics such as Older patients which are related to areas like Risk of mortality.

His work deals with themes such as Medical prescription, Randomized controlled trial and Hospitalized patients, which intersect with Cardiology. His Hazard ratio study integrates concerns from other disciplines, such as Incidence and Risk factor. His Ejection fraction research incorporates themes from Heart rate, Intensive care medicine and Renal function.

Between 2017 and 2021, his most popular works were:

  • Systolic Blood Pressure and Outcomes in Patients With Heart Failure With Preserved Ejection Fraction. (32 citations)
  • Systolic Blood Pressure and Outcomes in Patients With Heart Failure With Preserved Ejection Fraction. (32 citations)
  • Systolic Blood Pressure and Outcomes in Patients With Heart Failure With Preserved Ejection Fraction. (32 citations)

In his most recent research, the most cited papers focused on:

  • Internal medicine
  • Surgery
  • Heart failure

Ali Ahmed spends much of his time researching Heart failure, Internal medicine, Hazard ratio, Ejection fraction and Cardiology. His Heart failure research includes themes of Lower risk, Clinical trial, Propensity score matching and Emergency medicine. As part of the same scientific family, Ali Ahmed usually focuses on Propensity score matching, concentrating on Ambulatory and intersecting with Discontinuation.

His Hazard ratio research entails a greater understanding of Confidence interval. Ali Ahmed has researched Ejection fraction in several fields, including Digoxin, Intensive care medicine, Blood pressure and Renal function. His research investigates the connection with Cardiology and areas like Older patients which intersect with concerns in Loop diuretic.

Best Publications

  • Effects of Digoxin on Morbidity and Mortality in Diastolic Heart Failure The Ancillary Digitalis Investigation Group Trial

    Ali Ahmed;Michael W. Rich;Jerome L. Fleg;Michael R. Zile

  • Trends in Incidence, Management, and Outcomes of Cardiogenic Shock Complicating ST-Elevation Myocardial Infarction in the United States

    Dhaval Kolte;Sahil Khera;Wilbert S. Aronow;Marjan Mujib

  • Heart failure, chronic diuretic use, and increase in mortality and hospitalization: an observational study using propensity score methods

    Ali Ahmed;Ahsan Husain;Thomas E. Love;Giovanni Gambassi

  • Digoxin and Reduction in Mortality and Hospitalization in Heart Failure: A Comprehensive Post-Hoc Analysis of the DIG Trial

    Ali Ahmed;Michael W. Rich;Thomas E. Love;Donald M. Lloyd-Jones

  • Developing Therapies for Heart Failure With Preserved Ejection Fraction: Current State and Future Directions

    Javed Butler;Gregg C. Fonarow;Michael R. Zile;Carolyn S. Lam

  • Chronic Kidney Disease Associated Mortality in Diastolic Versus Systolic Heart Failure: A Propensity Matched Study†

    Ali Ahmed;Ali Ahmed;Michael W. Rich;Paul W. Sanders;Paul W. Sanders;Gilbert J. Perry;Gilbert J. Perry

  • Effects of Right Ventricular Ejection Fraction on Outcomes in Chronic Systolic Heart Failure

    Philippe Meyer;Gerasimos S. Filippatos;Mustafa I. Ahmed;Ami E. Iskandrian

  • Temporal Trends in Incidence and Outcomes of Peripartum Cardiomyopathy in the United States: A Nationwide Population-Based Study

    Dhaval Kolte;Sahil Khera;Wilbert S. Aronow;Chandrasekar Palaniswamy

  • Effects of Quercetin on Blood Pressure: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

    Maria Corina Serban;Amirhossein Sahebkar;Alberto Zanchetti;Dimitri P. Mikhailidis

  • Gender Differences in Resistance-Training-Induced Myofiber Hypertrophy Among Older Adults

    Marcas M. Bamman;Vernishia J. Hill;Gregory R. Adams;Fadia Haddad

  • Higher New York Heart Association classes and increased mortality and hospitalization in patients with heart failure and preserved left ventricular function.

    Ali Ahmed;Ali Ahmed;Wilbert S. Aronow;Jerome L. Fleg

  • Lack of evidence of increased mortality among patients with atrial fibrillation taking digoxin: findings from post hoc propensity-matched analysis of the AFFIRM trial

    Mihai Gheorghiade;Gregg C. Fonarow;Dirk J. van Veldhuisen;John G. F. Cleland

  • A propensity-matched study of the association of low serum potassium levels and mortality in chronic heart failure.

    Ali Ahmed;Faiez Zannad;Thomas E Love;Jose Tallaj;Jose Tallaj

  • Relation of serum uric acid to cardiovascular disease

    Audrey H. Wu;James D. Gladden;Mustafa Ahmed;Ali Ahmed

  • Incident heart failure hospitalization and subsequent mortality in chronic heart failure: a propensity-matched study.

    Ali Ahmed;Richard M. Allman;Gregg C. Fonarow;Thomas E. Love

  • Hyperuricaemia, chronic kidney disease, and outcomes in heart failure: potential mechanistic insights from epidemiological data.

    Gerasimos S. Filippatos;Mustafa I. Ahmed;James D. Gladden;Marjan Mujib

  • Hypokalemia and Outcomes in Patients With Chronic Heart Failure and Chronic Kidney Disease Findings From Propensity-Matched Studies

    C. Barrett Bowling;Bertram Pitt;Mustafa I. Ahmed;Inmaculada B. Aban

  • Mediterranean and DASH Diet Scores and Mortality in Women with Heart Failure: The Women's Health Initiative

    Emily B. Levitan;Cora E. Lewis;Lesley F. Tinker;Charles B. Eaton

  • Effects of digoxin at low serum concentrations on mortality and hospitalization in heart failure: a propensity-matched study of the DIG trial.

    Ali Ahmed;Bertram Pitt;Shahbudin H. Rahimtoola;Finn Waagstein

  • Heart failure with preserved ejection fraction [4]

    Ali Ahmed;Jerome L. Fleg;Mihai Gheorghiade

Frequent Co-Authors

Gregg C. Fonarow
Gregg C. Fonarow University of California, Los Angeles
Wilbert S. Aronow
Wilbert S. Aronow New York Medical College
Richard M. Allman
Richard M. Allman George Washington University
Prakash Deedwania
Prakash Deedwania United States Department of Veterans Affairs
Javed Butler
Javed Butler University of Mississippi
Gerasimos Filippatos
Gerasimos Filippatos National and Kapodistrian University of Athens
Maciej Banach
Maciej Banach John Paul II Catholic University of Lublin
Mihai Gheorghiade
Mihai Gheorghiade Northwestern University
Bertram Pitt
Bertram Pitt University of Michigan–Ann Arbor
Michael R. Zile
Michael R. Zile Medical University of South Carolina

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