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Researcher · Apollo Hospitals · India

Nagarajan Ramakrishnan

Nagarajan Ramakrishnan publishes mostly in Epidemiology, Critical Care and Intensive Care Medicine and Infectious Diseases, on topics such as Sepsis Diagnosis and Treatment, Intensive Care Unit Cognitive Disorders and COVID-19 Clinical Research Studies.

ORCID 0000-0001-5208-4013 OpenAlex
World rank
#1,632,529
of 7,710,434 ranked researchers
Rank in India
#26,383
of 280,097
Works
133
Citations
2.2k
Citations per work
16.2
h-index
25
i10-index 46Top 15% in Epidemiology
Nagarajan Ramakrishnan

What does Nagarajan Ramakrishnan research?

Nagarajan Ramakrishnan's work is mostly in Medicine (44%).

Everything else: 75 works · 56.3% of their workHealth Sciences: 58 works · 43.7% of their workMedicine: 58 works · 43.7% of their workEpidemiology: 15 works · 11.2% of their workCritical Care and Intensive Care Medicine: 11 works · 8.0% of their workInfectious Diseases: 10 works · 7.2% of their workPulmonary and Respiratory Medicine: 9 works · 6.9% of their workPhysiology: 7 works · 5.6% of their workSurgery: 6 works · 4.8% of their workTHEIR WORKNagarajanRamakrishnan133works
Health Sciences44%

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. Everything else7556.3%
    1. Medicine5843.7%
  1. 1Epidemiology11% of their works
  2. 2Critical Care and Intensive Care Medicine8% of their works
  3. 3Infectious Diseases7% of their works
  4. 4Pulmonary and Respiratory Medicine7% of their works
  5. 5Physiology6% of their works
  6. 6Surgery5% of their works

Research topics

Which keywords describe Nagarajan Ramakrishnan's research?

The keywords of their largest research topics: Epidemiology, Biomarkers, Sepsis, Management, Septic Shock, Delirium, Intensive Care Unit and Acute Lung Injury.

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.

All 19 words, with their numbers
  1. Epidemiology583 topics
  2. Biomarkers352 topics
  3. Sepsis352 topics
  4. Management271 topic
  5. Septic Shock271 topic
  6. Delirium181 topic
  7. Intensive Care Unit181 topic
  8. Acute Lung Injury171 topic
  9. Clinical Characteristics171 topic
  10. Mechanical Ventilation171 topic
  11. SARS-CoV-2171 topic
  12. Obstructive Sleep Apnea141 topic
  13. Sleep-Disordered Breathing141 topic
  14. ICU91 topic
  15. Ventilator-associated Pneumonia91 topic
  16. Acute Kidney Injury81 topic
  17. Renal Failure81 topic
  18. Central Chemoreception61 topic
  19. Respiratory Rhythm61 topic

Where does Nagarajan Ramakrishnan work?

Nagarajan Ramakrishnan's main affiliation in the publication record is Apollo Hospitals, India.

How many publications and citations does Nagarajan Ramakrishnan have?

OpenAlex counts 133 works and 2,161 citations for Nagarajan Ramakrishnan, an h-index of 25, ranking #1,632,529 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised 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 Nagarajan Ramakrishnan

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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