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Researcher · Trinity College Dublin · Ireland

John Frewen

John Frewen publishes mostly in Cardiology and Cardiovascular Medicine, Surgery and Geriatrics and Gerontology, on topics such as Heart Rate Variability and Autonomic Control, Cardiovascular Syncope and Autonomic Disorders and Atrial Fibrillation Management and Outcomes.

OpenAlex
World rank
#1,786,424
of 7,710,434 ranked researchers
Rank in Ireland
#6,101
of 21,376
Works
18
Citations
670
Citations per work
37.2
h-index
9
i10-index 9Top 59% in Cardiology and Cardiovascular Medicine
John Frewen

What does John Frewen research?

John Frewen's work is mostly in Medicine (76%).

Health Sciences: 14 works · 75.7% of their workMedicine: 14 works · 75.7% of their workCardiology and Cardiovascular Medicine: 7 works · 36.6% of their workSurgery: 3 works · 17.1% of their workGeriatrics and Gerontology: 1 works · 7.3% of their workPhysiology: 1 works · 4.9% of their workPsychiatry and Mental health: 1 works · 4.9% of their workPulmonary and Respiratory Medicine: 1 works · 4.9% of their workEverything else: 4 works · 24.3% of their workTHEIR WORKJohn Frewen18works
Health Sciences76%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine1475.7%
  2. Everything else424.3%
  1. 1Cardiology and Cardiovascular Medicine37% of their works
  2. 2Surgery17% of their works
  3. 3Geriatrics and Gerontology7% of their works
  4. 4Physiology5% of their works
  5. 5Psychiatry and Mental health5% of their works
  6. 6Pulmonary and Respiratory Medicine5% of their works

Research topics

Which keywords describe John Frewen's research?

The keywords of their largest research topics: Heart Rate Variability, Autonomic Nervous System, Physiological Time Series, Orthostatic Hypotension, Syncope, Aging, Anticoagulant Therapy and Atrial Fibrillation.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 18 words, with their numbers
  1. Heart Rate Variability92 topics
  2. Autonomic Nervous System81 topic
  3. Physiological Time Series81 topic
  4. Orthostatic Hypotension71 topic
  5. Syncope71 topic
  6. Aging53 topics
  7. Anticoagulant Therapy31 topic
  8. Atrial Fibrillation31 topic
  9. Alzheimer's Disease21 topic
  10. Frailty21 topic
  11. Geriatric Assessment21 topic
  12. Mild Cognitive Impairment21 topic
  13. Caregiving11 topic
  14. Charles Bonnet Syndrome11 topic
  15. Elderly11 topic
  16. Photoplethysmography11 topic
  17. Remote Monitoring11 topic
  18. Visual Hallucinations11 topic

Where does John Frewen work?

John Frewen's main affiliation in the publication record is Trinity College Dublin, Ireland.

How many publications and citations does John Frewen have?

OpenAlex counts 18 works and 670 citations for John Frewen, an h-index of 9, ranking #1,786,424 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named John Frewen

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