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Subfield · Medicine

Emergency Medicine research

Emergency Medicine is a subfield of Medicine. Science Explorer counts 291k research works in it since 1950. 15.0% of them reached the world's top 10% most cited for their field and year.

In short: medical specialty concerned with care for patients who require immediate medical attention.

Research works
291k
fractional, since 1950
In the world top 10%
44k
per year above
Top-10% rate
15.0%
share of its works in the world top 10%
Topics
11
Growth, 2013–17 → 2018–22
+29%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

What is Emergency Medicine research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Cardiac Arrest, Resuscitation, Meta-Analysis, Injury Severity, Trauma Center, Inflammation. Gaining share since 2009–13: COVID-19, Emergency Medicine, Intramuscular Injections, Vaccine Administration, Management. Losing share: Conducted Electrical Weapons, Excited Delirium Syndrome, Cardiovascular Disease, HIV Infection.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 25 words, with their numbers
  1. Cardiac Arrest16k◆ 1.07×1 topic
  2. Resuscitation16k◆ 1.07×1 topic
  3. Meta-Analysis13k◆ 0.99×2 topics
  4. Injury Severity12k◆ 1.10×1 topic
  5. Trauma Center12k◆ 1.10×1 topic
  6. Inflammation10k▼ 0.81×2 topics
  7. Emergency Department Crowding8,692◆ 1.06×1 topic
  8. Patient Satisfaction8,692◆ 1.06×1 topic
  9. Management8,010▲ 1.16×2 topics
  10. Appendicitis7,516◆ 1.12×1 topic
  11. Diagnosis7,516◆ 1.12×1 topic
  12. Bone Marrow Biopsy5,264▼ 0.86×1 topic
  13. FDG PET/CT5,264▼ 0.86×1 topic
  14. Cardiovascular Disease5,188▼ 0.77×1 topic
  15. HIV Infection5,188▼ 0.77×1 topic
  16. Poison Control Centers4,330◆ 0.87×1 topic
  17. Toxic Exposure Surveillance4,330◆ 0.87×1 topic
  18. Hospital Handoffs3,328◆ 0.94×1 topic
  19. Patient Safety3,328◆ 0.94×1 topic
  20. Conducted Electrical Weapons2,941▼ 0.74×1 topic
  21. Excited Delirium Syndrome2,941▼ 0.74×1 topic
  22. Intramuscular Injections2,170▲ 1.35×1 topic
  23. Vaccine Administration2,170▲ 1.35×1 topic
  24. COVID-19494▲ 2.9×1 topic
  25. Emergency Medicine494▲ 2.9×1 topic

Which countries lead Emergency Medicine research?

On research quality in 2022–2025, the United States, the United Kingdom and China rank highest in Emergency Medicine. By volume, the United States and the United Kingdom publish the most (15k and 3.2k works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 13.9% top 10% · 15k works
  2. 2 United Kingdom · #2 all time 12.7% top 10% · 3.2k works
  3. 3 China · #9 all time 17.4% top 10% · 2.8k works
  4. 4 Italy · #7 all time 19.1% top 10% · 1.3k works
  5. 5 Australia · #5 all time 17.5% top 10% · 1.6k works
  6. 6 Canada · #3 all time 18.8% top 10% · 1.5k works
  7. 7 Germany · #4 all time 14.9% top 10% · 1.7k works
  8. 8 France · #6 all time 12.4% top 10% · 1.2k works
  9. 9 Netherlands · #8 all time 23.8% top 10% · 588 works
  10. 10 Spain · #12 all time 11.1% top 10% · 1.2k works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 44 countries ranked in Emergency Medicine. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Emergency Medicine

By volume, 2022–2025

  1. 1 United States 15k works
  2. 2 United Kingdom 3.2k works
  3. 3 China 2.8k works
  4. 4 India 2.8k works
  5. 5 Germany 1.7k works
  6. 6 Australia 1.6k works
  7. 7 Canada 1.5k works
  8. 8 Japan 1.5k works
  9. 9 Türkiye 1.4k works
  10. 10 Italy 1.3k works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 45.5%United Kingdom: 9.6%China: 8.7%India: 8.6%6 others listed: 27.6%46%largest
United States15k · 45.5%United Kingdom3,165 · 9.6%China2,848 · 8.7%India2,836 · 8.6%6 others listed9,074 · 27.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Emergency Medicine research?

Harvard University (United States) ranks first in Emergency Medicine on research quality in 2022–2025, followed by Massachusetts General Hospital and Johns Hopkins University.

By research quality, 2022–2025

  1. 1 Harvard University United States · Cambridge · #1 all time 24.8% top 10% · 172 works
  2. 2 Massachusetts General Hospital United States · Boston · #5 all time 18.2% top 10% · 154 works
  3. 3 Johns Hopkins University United States · Baltimore · #3 all time 20.0% top 10% · 160 works
  4. 4 University of California, San Francisco United States · San Francisco · #2 all time 21.3% top 10% · 139 works
  5. 5 University of Pittsburgh United States · Pittsburgh · #7 all time 21.7% top 10% · 124 works
  6. 6 University of Toronto Canada · Toronto · #10 all time 21.9% top 10% · 119 works
  7. 7 Brigham and Women's Hospital United States · Boston · #9 all time 24.9% top 10% · 100 works
  8. 8 University of Pennsylvania United States · Philadelphia · #6 all time 20.8% top 10% · 145 works
  9. 9 University of Washington United States · Seattle · #4 all time 17.8% top 10% · 137 works
  10. 10 Monash University Australia · Melbourne · #29 all time 21.0% top 10% · 117 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 59 institutions above the floor of 40 fractional works in Emergency Medicine.

Top 100 Emergency Medicine institutions

By volume, 2022–2025

  1. 1 University of North Carolina at Chapel HillUnited States 236 works
  2. 2 Harvard UniversityUnited States 172 works
  3. 3 Johns Hopkins UniversityUnited States 160 works
  4. 4 Massachusetts General HospitalUnited States 154 works
  5. 5 Sağlık Bilimleri ÜniversitesiTürkiye 148 works
  6. 6 University of PennsylvaniaUnited States 145 works
  7. 7 Yale UniversityUnited States 145 works
  8. 8 University of California, San FranciscoUnited States 139 works
  9. 9 University of WashingtonUnited States 137 works
  10. 10 All India Institute of Medical SciencesIndia 135 works

Who are the leading researchers in Emergency Medicine?

Among the most productive authors in Emergency Medicine, Roger Chou, Maciej Banach and Matthias Egger rank highest on the composite score.

  1. 1 Roger Chou United States · #6 worldwide 14k citations · 187 works
  2. 2 Maciej Banach Poland · #49 worldwide 5.2k citations · 199 works
  3. 3 Matthias Egger Switzerland · #110 worldwide 2.9k citations · 177 works
  4. 4 Theo Vos United States · #113 worldwide 12k citations · 121 works
  5. 5 Alice K. Jacobs United States · #197 worldwide 3.5k citations · 127 works
  6. 6 Pascal Vranckx United States · #218 worldwide 2.1k citations · 164 works
  7. 7 Ted R. Miller United States · #233 worldwide 8.1k citations · 108 works
  8. 8 Florian Fischer United States · #250 worldwide 7k citations · 107 works
  9. 9 Andrew S. Levey United States · #272 worldwide 2.8k citations · 188 works
  10. 10 Valery L. Feigin New Zealand · #390 worldwide 7.9k citations · 101 works

Re-ranked on the composite score from the 4,598 highest-output authors in Emergency Medicine. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Emergency Medicine researchers

Where is Emergency Medicine research done?

The largest centres of Emergency Medicine research in 2022–2025 are London (United Kingdom), New York (United States), Boston (United States) and Philadelphia (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Wakefield and Inverness.

Largest cities, 2022–2025

  1. 1 London United Kingdom 835 works
  2. 2 New York United States 619 works
  3. 3 Boston United States 619 works
  4. 4 Philadelphia United States 459 works
  5. 5 Melbourne Australia 454 works
  6. 6 Baltimore United States 451 works
  7. 7 Beijing China 423 works
  8. 8 Paris France 422 works
  9. 9 Seoul South Korea 413 works
  10. 10 Istanbul Türkiye 376 works

Where it is the local speciality

  1. WakefieldGB · 26.6 works23×
  2. InvernessGB · 25.7 works21×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Emergency Medicine than the world average.

See Emergency Medicine on the map

Emergency Medicine research by country

The best places for Emergency Medicine research inside each country, with that country's researchers and world standing.

Where is the best place to study Emergency Medicine?

Among universities, judged by research, Uniformed Services University of the Health Sciences, Harvard University and University of Gondar score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 20.21%fractional works in this node (log) →share in the world top 10% →Uniformed Services University of the Health Sciences: 51, 20.9%Harvard University: 172, 24.8%University of Gondar: 35, 25.4%Duke-NUS Medical School: 20, 21.5%Sağlık Bilimleri Üniversitesi: 148, 4.0%Karolinska Institutet: 62, 26.9%University of Colorado Anschutz Medical Campus: 58, 18.5%Medical College of Wisconsin: 95, 16.6%University of California, San Francisco: 139, 21.3%Muhimbili University of Health and Allied Sciences: 21, 22.2%University of GondarHarvard UniversityDuke-NUS Medical Sch…Uniformed Services U…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Uniformed Services University of the Health SciencesUnited States 57.020.9%11.3×51 +46.3%
2 Harvard UniversityUnited States 53.524.8%2.8×172 +42.1%
3 University of GondarEthiopia 52.525.4%4.7×35 +184.2%
4 Duke-NUS Medical SchoolSingapore 51.921.5%5.6×20 +268.2%
5 Sağlık Bilimleri ÜniversitesiTürkiye 50.24.0%5.3×148 +2305.5%
6 Karolinska InstitutetSweden 49.626.9%2.8×62 +49.4%
7 University of Colorado Anschutz Medical CampusUnited States 49.418.5%4.3×58 +173.5%
8 Medical College of WisconsinUnited States 49.116.6%7.5×95 +3.3%
9 University of California, San FranciscoUnited States 48.821.3%4.5×139 -8.0%
10 Muhimbili University of Health and Allied SciencesTanzania 48.622.2%9.1×21 +9.3%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Emergency Medicine research growing?

Output in 2018–2022 was 29% higher than in 2013–2017, peaking in 2021. The fastest-growing topics are Emergency Medicine Education and Research, Hospital Admissions and Outcomes and Trauma and Emergency Care Studies.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

  1. Emergency Medicine Education and Research+192%
  2. Hospital Admissions and Outcomes+134%
  3. Trauma and Emergency Care Studies+126%
  4. Emergency and Acute Care Studies+120%
  5. Cardiac Arrest and Resuscitation+115%
  6. Appendicitis Diagnosis and Management+100%
← shrinkingno changegrowing →

Growth in output from 2005–09 to 2015–19. Every topic is a page of its own.

What does Emergency Medicine include?

Cardiac Arrest and Resus…65kCardiac Arrest and Resuscitation: 65k fractional worksTrauma and Emergency Care Studies: 44k fractional worksEmergency and Acute Care…33kEmergency and Acute Care Studies: 33k fractional worksAppendicitis Diagnosis a…30kAppendicitis Diagnosis and Management: 30k fractional worksHematological disorders and diagnostics: 28k fractional worksPoisoning and overdose treatments: 25k fractional worksHIV-related health compl…24kHIV-related health complications and treatments: 24k fractional worksRestraint-Related Deaths: 17k fractional worksHospital Admissions and Outcomes: 13k fractional worksIntramuscular injections and effects: 8,339 fractional worksEmergency Medicine Education and Research: 2,258 fractional works

Area is fractional works in that topic. Every name below is a page of its own.