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Topic · Pulmonary and Respiratory Medicine

Phonocardiography and Auscultation Techniques

Phonocardiography and Auscultation Techniques is a research topic within Pulmonary and Respiratory Medicine. Science Explorer counts 13k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the analysis, classification, and diagnostic aid of cardiac and respiratory sounds. It covers topics such as heart sound segmentation, lung sound classification, machine learning applications, auscultation skills, and the use of artificial neural networks for pathology detection.

  • Heart Sound
  • Lung Sound
  • Auscultation
  • Classification
  • Machine Learning
  • Signal Analysis
  • Diagnostic Aid
  • Respiratory Pathologies
  • Artificial Neural Network
  • Deep Learning
Research works
13k
fractional, since 1950
In the world top 10%
1.4k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+51%
the tick is no change
Largest producer
India
25% of the 10 largest, 2022-now
Phonocardiography and Auscultation Techniques

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

Which countries lead Phonocardiography and Auscultation Techniques research?

By volume, India and China publish the most (631 and 624 works in 2022-now).

By volume, 2022-now

  1. 1 India 631 works
  2. 2 China 624 works
  3. 3 United States 567 works
  4. 4 United Kingdom 151 works
  5. 5 Japan 116 works
  6. 6 Italy 104 works
  7. 7 Türkiye 103 works
  8. 8 Germany 91 works
  9. 9 South Korea 91 works
  10. 10 Canada 84 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.

India: 24.6%China: 24.3%United States: 22.1%United Kingdom: 5.9%6 others listed: 23.0%25%largest
India631 · 24.6%China624 · 24.3%United States567 · 22.1%United Kingdom151 · 5.9%6 others listed588 · 23.0%

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

Which institutions lead Phonocardiography and Auscultation Techniques research?

By volume in 2022-now, SRM Institute of Science and Technology publishes the most Phonocardiography and Auscultation Techniques research, followed by Harvard University and Shanghai Jiao Tong University.

By volume, 2022-now

  1. 1 SRM Institute of Science and TechnologyIndia 24 works
  2. 2 Harvard UniversityUnited States 24 works
  3. 3 Shanghai Jiao Tong UniversityChina 21 works
  4. 4 Chinese Academy of SciencesChina 19 works
  5. 5 Mayo ClinicUnited States 18 works
  6. 6 Amrita Vishwa VidyapeethamIndia 17 works
  7. 7 Vellore Institute of Technology UniversityIndia 16 works
  8. 8 Imperial College LondonUnited Kingdom 16 works
  9. 9 Johns Hopkins UniversityUnited States 15 works
  10. 10 Saveetha UniversityIndia 14 works

Who are the leading researchers in Phonocardiography and Auscultation Techniques?

The most-cited researchers publishing on Phonocardiography and Auscultation Techniques include John J.V. McMurray, Jeremy Grimshaw and Cynthia D. Mulrow.

  1. 1 John J.V. McMurray United Kingdom 349k citations
  2. 2 Jeremy Grimshaw Canada 281k citations
  3. 3 Cynthia D. Mulrow United States 278k citations
  4. 4 Valentı́n Fuster United States 257k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Phonocardiography and Auscultation Techniques?

The most cited paper in Phonocardiography and Auscultation Techniques is "Table of Integrals, Series, and Products" (I. S. Gradshteyn, I. M. Ryzhik, Alan Jeffrey et al., 1981), with 3,295 citations. Next come "Relevance of Lung Ultrasound in the Diagnosis of Acute Respiratory Failure*: The BLUE Protocol" (2,091) and "General considerations for lung function testing" (2,056).

Most cited papers
#PaperReleasedCitations
1 Table of Integrals, Series, and Products I. S. Gradshteyn, I. M. Ryzhik, Alan Jeffrey et al. · Journal of Biomechanical Engineering Open access Feb 1981 3,295
2 Relevance of Lung Ultrasound in the Diagnosis of Acute Respiratory Failure*: The BLUE Protocol Daniel A. Lichtenstein, Gilbert A. Mezière · CHEST Journal Open access 10 Apr 2008 2,091
3 General considerations for lung function testing Martin R. Miller, Robert O. Crapo, J. Hankinson et al. · European Respiratory Journal Open access 30 Jun 2005 2,056
4 Automatic Classification of Heartbeats Using ECG Morphology and Heartbeat Interval Features Philip de Chazal, Muireann O’Dwyer, Richard B. Reilly · IEEE Transactions on Biomedical Engineering Open access 21 Jun 2004 1,684
5 Deep Convolutional Neural Networks and Data Augmentation for Environmental Sound Classification Justin Salamon, Juan Pablo Bello · IEEE Signal Processing Letters Open access 23 Jan 2017 1,357
All 99 most cited papers, with filters and sorting

Where is Phonocardiography and Auscultation Techniques research done?

The largest centres of Phonocardiography and Auscultation Techniques research in 2022-now are Beijing (China), Chennai (India), Shanghai (China) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Coimbatore.

Largest cities, 2022-now

  1. 1 BeijingChina 93 works
  2. 2 ChennaiIndia 70 works
  3. 3 ShanghaiChina 56 works
  4. 4 LondonUnited Kingdom 55 works
  5. 5 SeoulSouth Korea 46 works
  6. 6 BengaluruIndia 37 works
  7. 7 TokyoJapan 36 works
  8. 8 CoimbatoreIndia 35 works
  9. 9 GuangzhouChina 34 works
  10. 10 DhakaBangladesh 31 works

Where it is the local speciality

  1. CoimbatoreIN · 34.8 works5.2×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Phonocardiography and Auscultation Techniques than the world average.

See Phonocardiography and Auscultation Techniques on the map

Where is the best place to study Phonocardiography and Auscultation Techniques?

Among universities, judged by research, Harvard University, Imperial College London and Bangladesh University of Engineering and Technology 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 15.29%fractional works in this field (log) →share of work in the world top 10% →Bangladesh Universit…Harvard UniversityImperial College Lon…SRM Institute of Sci…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Harvard UniversityUnited States 76.815.6%2.2×24 +38.8%
2Imperial College LondonUnited Kingdom 66.915.0%4.6×16 +49.9%
3Bangladesh University of Engineering and TechnologyBangladesh 63.725.4%17.1×8 +142.3%
4SRM Institute of Science and TechnologyIndia 59.29.8%7.1×24 +430.6%
5King Saud UniversitySaudi Arabia 57.720.5%2.5×8 +50.8%
6Johns Hopkins UniversityUnited States 54.09.9%2.9×15 +77.9%
7Zhejiang UniversityChina 53.923.6%1.2×11 +91.2%
8Vellore Institute of Technology UniversityIndia 48.19.2%5.0×16 +110.5%
9Shanghai Jiao Tong UniversityChina 47.77.3%2.1×21 +105.7%
10Seoul National UniversitySouth Korea 47.516.6%2.6×10 +132.4%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Phonocardiography and Auscultation Techniques, country by country

Is Phonocardiography and Auscultation Techniques research growing?

Output in 2022-2025 was 51% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Phonocardiography and Auscultation Techniques.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Phonocardiography and Auscultation Techniques as a percentage of every work published that year, 0.014% in 2024.

still counting0.010%0.020%0.030%Phonocardiography and Auscultation Techniques0.018% in 202519801990200020102020

Fractional works of Phonocardiography and Auscultation Techniques over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Phonocardiography and Auscultation Techniques10.2% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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