Artificial intelligence structures the information; cardiologists turn it into an art

    Authors

    DOI

    https://doi.org/10.15836/ccar2026.123

    Full Text

    In recent decades, the way we read and consume information has undergone a number of substantial transformations. (1) Although learning by using traditional sources remains the primary means of acquiring knowledge in medical education, the digital era has introduced new models for accessing scientific and professional literature, enabling the format the information is presented in to be tailored to specific search queries and individual preferences while remaining accessible within only a few interactions. However, as a consequence of the digital transformation, reduced attention span and diminished focus are frequently highlighted concerns. Therefore, achieving an appropriate balance between traditional sources and the digital environment is essential for optimal medical education. One of the greatest challenges in cardiology is the vast influx of data generated by published clinical studies and the often contradictory nature of their findings. (2) When searching for answers, navigating traditional online databases such as PubMed may require hours of effort and still yield inconclusive results. Artificial intelligence (AI), in combination with digital reading, has fundamentally changed the way we access the entire body of medical knowledge. Contemporary AI tools enable rapid, in-depth analysis of textual content through the identification of key concepts and arguments, while also being able to generate textual content based on previous model training. (3-5) The aim of this editorial is to describe how artificial intelligence is changing the interpretation of cardiology literature. Using the curated digital archive of the Cardiologia Croatica journal as an example, we illustrate the transformation of a high-quality repository of published articles into an educational medical platform equipped with advanced semantic search capabilities, a conversational AI agent, thematic chronology tracking across the journal’s corpus, clinical case presentations, and interactive knowledge cards. ## Traditional versus digital reading of a cardiology article The foundation of every academic or professional work lies in the systematic and thorough examination of information. When seeking the results of new research, contemporary cardiologists rarely have the opportunity to read printed versions of medical journals. Instead, they rely on the Internet and various tools designed to facilitate and accelerate information retrieval, including search engines, web browsers that provide brief summary previews (snippets), online databases, and tools powered by AI-powered conversational tools. Today, digital reading also includes interactive visualizations, educational case cards, chronological overviews of specific topics, and similar features. The advantages of digital tools are exploited in numerous additional ways, with some journals generating infographic summaries for each article, podcast interviews with authors, and audio versions of published manuscripts, together with increasing user participation in public discussions through digital communities such as #CardioTwitter. (6–9) Digital reading of cardiology articles offers more advantages than disadvantages. In the dynamic digital environment characterized predominantly by HTML and PDF formats (often representing an identical copy of the printed edition), vertical scrolling represents one of the main limitations, particularly in articles formatted in multiple columns. Owing to the high level of on-screen distraction, information retention during digital reading is often short-term and focused primarily on key facts. Conversely, the advantages of digital reading include faster information retrieval, enhanced data presentation through interactive multimedia content, rapid dissemination of knowledge, improved reference management, and more effective knowledge networking. These benefits largely explain why cardiologists increasingly consume journal content in digital environments. (10–13) Advanced AI tools are now transforming digital reading of cardiology articles from passive text consumption into an interactive and highly efficient analytical process. Their application can rapidly summarize and simplify research findings, assist in manuscript preparation and editing, and generate novel educational materials. However, studies have also identified important limitations in the application of AI-based tools, including the misinterpretation of results (“hallucinations”), the generation of inaccurate references, and related shortcomings. Consequently, verification of information sources and careful assessment of AI-generated outputs remain essential before their application in real-world settings. (14-16) ## When a cardiology article speaks In the spring of 2026, the well-curated digital archive of the Cardiologia Croatica journal evolved into something more than a repository of published articles. A clearly structured and editorially curated archive comprising 2,124 XML files, maintained since 2014, (17) was transformed, with the assistance of a generative AI model, into a searchable and educationally valuable system that is changing the way cardiology knowledge is disseminated, acquired, and critically evaluated (**Figure 1**). Whereas search results were lexical in nature until 2025 (i.e., based on conventional keyword matching), the new biomedical search engine powered by advanced AI methodology is capable of understanding medical context and user intent. This “conversation with the journal” approach, enabled through AI-assisted semantic search (**Figure 2**), helps users to not only identify all relevant results more efficiently (**Figure 3**) but also gain a deeper understanding of how a particular topic has evolved throughout the journal’s publication history (**Figure 4**). Vector search methods (identifying relevance and contextual relationships) coupled with reduced informational noise (irrelevant data), represent key methodologies used by the AI model to retrieve relevant content accurately and efficiently. Structured filters allow users to refine search results according to author, publication year, article type, DOI, and ORCID identifiers. Responses are generated exclusively from archived journal content and are accompanied by source references. This feature is particularly important in professional and educational settings, as users must be able to verify sources, access original articles, and incorporate them into further research, writing, or learning activities. In addition to thematic chronology, the educational layer of the system includes clinical case presentations and interactive knowledge cards that guide users toward a deeper understanding of a given topic, enabling users to identify connections between sources and critically evaluate the scientific literature. Such capabilities are important because the primary challenge today often is often not limited access to scientific literature, but rather information overload and the difficulty of navigating the large volume of texts in the available literature. [[figure:f1]] [[figure:f2]] [[figure:f3]] [[figure:f4]] At the level of the publishing industry, several solutions have emerged that aim to simplify interaction with databases containing hundreds of thousands of journals and articles, further validating this developmental approach. For example, Oxford Academic, the publisher of leading journals of the European Society of Cardiology, has integrated advanced AI technologies based on the OpenAI ChatGPT models and semantic search tools as the foundation of its database retrieval architecture, commonly referred to as Retrieval-Augmented Generation (RAG) technology. The Oxford Academic AI Discovery Assistant searches databases and clinical guidelines according to the underlying meaning of terms rather than relying solely on exact keyword matches. Information retrieval moves from hours to seconds with only a few interactions necessary to access any information, while the RAG architecture and vector searches address one of the major limitations of conventional AI applications in medicine – reliability. First, semantic search identifies the medical context of the query, and the system then searches a database of published literature and extracts the most relevant passages, which are supplied to the language model as the sole permissible source of information. This approach eliminates the risk of fabricated content or data. The AI model subsequently generates a clear response to the query within seconds while simultaneously providing references to the original publications. (14, 15, 18) Vector and semantic search technologies are also being increasingly incorporated into bibliographic and citation databases. The Wolters Kluwer company has introduced Ovid® Discovery AI, which enables literature retrieval and filtering based on the PICO(T) clinical questions and methodology (population, intervention, comparison, outcome, and time). (19) Elsevier’s AI Discovery is a platform that enables deep semantic exploration of the Scopus database while also providing graphical representations of interconnected concepts using conceptual mapping, visually linking related research topics and facilitating a broader understanding of a given topic as well as the development of new search strategies. (20, 21) ## Conclusion The implementation of AI models in the dissemination of knowledge from scientific publications within cardiology is transforming the way medical insights are generated, communicated, and applied. Modern digital reading converts a published article into an interactive process of inquiry, shifting the focus from passive memorization toward dynamic reasoning. The integration of visual and audio formats enables faster comprehension of complex clinical data and extends the reach and impact of scientific publications. However, the success of this process depends on reliable technological systems, clear data sources, and a high degree of professional responsibility on the part of journal editors and publishers.

    Literature

    1. Strija J. Utjecaj umjetne inteligencije na suvremeno čitanje stručnih radova: analiza alata temeljenih na umjetnoj inteligenciji za poboljšanje čitalačkog iskustva. Novi uvez. 2024;XXII(41):3-13. https://hrcak.srce.hr/319128
    2. Poropat G, Marušić M, Štimac D. Sustavno pretraživanje baza podataka. Medicina Fluminensis. 2017;53(4):454–60. https://doi.org/10.21860/medflum2017_187365
    3. Andročec D Korištenje generativne umjetne inteligencije u semantičkom webu: sustavni pregled. Elektronički zbornik radova Veleučilišta u Šibeniku. 2025;19(1-2):185–93. https://doi.org/10.51650/ezrvs.19.1-2.2
    4. Shireen Fathi Malo. Adel Al-zebari. Intelligent semantic search for academic journals using AI and NLP techniques. J Inf Syst Eng Manag. 2025 May 1;10 41s:404–20. https://doi.org/10.52783/jisem.v10i41s.7884
    5. Vardas PE. Large language models in scientific publications: challenges and opportunities. Eur Heart J. 2026 May 15;47(18):2149–51. https://doi.org/10.1093/eurheartj/ehaf669
    6. Ramos E, Concepcion BP. Visual Abstracts: Redesigning the Landscape of Research Dissemination. Semin Nephrol. 2020 May;40(3):291–7. https://doi.org/10.1016/j.semnephrol.2020.04.008
    7. Lam CSP, Barry K, Khera A. Medical Podcasting and Circulation on the Run: Why, How, and What Now. Circulation. 2017 August 8;136(6):513–5. https://doi.org/10.1161/CIRCULATIONAHA.117.029760
    8. Saville RL, Agius SJ. A Sound Education: A Qualitative Study of the Role of Podcasts in Postgraduate Medical Education. Med Sci Educ. 2026 January 27;36(2):765–76. https://doi.org/10.1007/s40670-025-02553-y
    9. Schuuring MJ, Anwer S, Petersen SE, Moharem-Elgamal S, Muraru D. Social media for cardiac imagers: a review. Eur Heart J Cardiovasc Imaging. 2024 August 26;25(9):1177–82. https://doi.org/10.1093/ehjci/jeae109
    10. Mangen A, Walgermo BR, Brønnick K. Reading linear texts on paper versus computer screen: Effects on reading comprehension. Int J Educ Res. 2013 January;58:61–8. https://doi.org/10.1016/j.ijer.2012.12.002
    11. Fontaine G, Zagury-Orly I, Maheu-Cadotte MA, Lapierre A, Thibodeau-Jarry N, Denus S, et al. A Meta-Analysis of the Effect of Paper Versus Digital Reading on Reading Comprehension in Health Professional Education. Am J Pharm Educ. 2021 November;85(10):8525. https://doi.org/10.5688/ajpe8525
    12. Peras I, Klemenčič Mirazchiyski E, Japelj Pavešić B, Mekiš Recek Ž. Digital versus Paper Reading: A Systematic Literature Review on Contemporary Gaps According to Gender, Socioeconomic Status, and Rurality. Eur J Investig Health Psychol Educ. 2023 September 22;13(10):1986–2005. https://doi.org/10.3390/ejihpe13100142
    13. Castiello T. The Benefits and Challenges of Digitally-Enabled Cardiology. Br J Hosp Med (Lond). 2025 May 23;86(5):1–6. https://doi.org/10.12968/hmed.2024.0899
    14. Oikonomou EK, Asselbergs FW, Vardas PE. Updated critical quality criteria for real-world artificial intelligence implementation. Eur Heart J. 2026 May 15;47(18):2152–4. https://doi.org/10.1093/eurheartj/ehag121
    15. Alexandrou M, Mahtani AU, Brilakis ES. Bridging guidelines and large language models: a case for retrieval-augmented generation. Eur Heart J. 2026 May 15;47(18):2146–8. https://doi.org/10.1093/eurheartj/ehaf546
    16. Kolar Janković T, Strija J. Pišemo stručni rad s umjetnom inteligencijom! (Ali ne tako kako mislite.). In: Strija J, Granić A, editors. Knjižnice u eri promjena – zbornik radova. XXXVIIII. Proljetna škola školskih knjižničara Republike Hrvatske. Tuheljske Toplice, Croatia; 2026 Apr 20-22; Zagreb: Agencija za odgoj i obrazovanje; 2026. p. 131-8. https://www.azoo.hr/app/uploads/2026/04/Zbornik_38_PSSK.pdf
    17. Ivanuša M. Cardiologia Croatica and the Application of Advanced Information Technology in Publishing. Cardiol Croat. 2014;9(7-8):283–8. https://doi.org/10.15836/ccar.2014.283
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    19. Jose Pedro Bessa. Wolters Kluwer. Ovid Discovery AI. [cited 2026 May 28]. https://tools.ovid.com/cvti/uploads/presentations/OvidDiscoveryAI_Slovakia_May26.pdf
    20. Sołoducho-Pelc L, Sulich A. Artificial Intelligence in Academic Research: A Comparative Study of Scopus AI and Web of Science Research Assistant. Procedia Comput Sci. 2025;270:6126–35. https://doi.org/10.1016/j.procs.2025.10.082
    21. Madsen LT, Carter JC, Cantanelli S, Hong C, Bazzell A. The Promise of Artificial Intelligence to Aid in Systematic Reviews: An Examination of Scopus AI. J Adv Pract Oncol. 2026 March 4:1–7. https://doi.org/10.6004/jadpro.2026.17.7.10
    Cardiologia Croatica
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    Artificial intelligence structures the information; cardiologists turn it into an art

    Editorial
    Issue5-6
    Published
    Pages123-129
    PDF via DOIhttps://doi.org/10.15836/ccar2026.123

    Authors

    Mario Ivanuša*ORCIDPoliklinika za prevenciju kardiovaskularnih bolesti i rehabilitaciju, Zagreb, Hrvatska
    Domagoj IvanušaORCIDMatchMindz, Zagreb, Hrvatska

    *Correspondence email: mario.ivanusa@uniri.hr

    Full Text

    In recent decades, the way we read and consume information has undergone a number of substantial transformations. (1) Although learning by using traditional sources remains the primary means of acquiring knowledge in medical education, the digital era has introduced new models for accessing scientific and professional literature, enabling the format the information is presented in to be tailored to specific search queries and individual preferences while remaining accessible within only a few interactions. However, as a consequence of the digital transformation, reduced attention span and diminished focus are frequently highlighted concerns. Therefore, achieving an appropriate balance between traditional sources and the digital environment is essential for optimal medical education.

    One of the greatest challenges in cardiology is the vast influx of data generated by published clinical studies and the often contradictory nature of their findings. (2) When searching for answers, navigating traditional online databases such as PubMed may require hours of effort and still yield inconclusive results. Artificial intelligence (AI), in combination with digital reading, has fundamentally changed the way we access the entire body of medical knowledge. Contemporary AI tools enable rapid, in-depth analysis of textual content through the identification of key concepts and arguments, while also being able to generate textual content based on previous model training. (3–5)

    The aim of this editorial is to describe how artificial intelligence is changing the interpretation of cardiology literature. Using the curated digital archive of the Cardiologia Croatica journal as an example, we illustrate the transformation of a high-quality repository of published articles into an educational medical platform equipped with advanced semantic search capabilities, a conversational AI agent, thematic chronology tracking across the journal’s corpus, clinical case presentations, and interactive knowledge cards.

    Traditional versus digital reading of a cardiology article

    The foundation of every academic or professional work lies in the systematic and thorough examination of information. When seeking the results of new research, contemporary cardiologists rarely have the opportunity to read printed versions of medical journals. Instead, they rely on the Internet and various tools designed to facilitate and accelerate information retrieval, including search engines, web browsers that provide brief summary previews (snippets), online databases, and tools powered by AI-powered conversational tools. Today, digital reading also includes interactive visualizations, educational case cards, chronological overviews of specific topics, and similar features. The advantages of digital tools are exploited in numerous additional ways, with some journals generating infographic summaries for each article, podcast interviews with authors, and audio versions of published manuscripts, together with increasing user participation in public discussions through digital communities such as #CardioTwitter. (6–9)

    Digital reading of cardiology articles offers more advantages than disadvantages. In the dynamic digital environment characterized predominantly by HTML and PDF formats (often representing an identical copy of the printed edition), vertical scrolling represents one of the main limitations, particularly in articles formatted in multiple columns. Owing to the high level of on-screen distraction, information retention during digital reading is often short-term and focused primarily on key facts. Conversely, the advantages of digital reading include faster information retrieval, enhanced data presentation through interactive multimedia content, rapid dissemination of knowledge, improved reference management, and more effective knowledge networking. These benefits largely explain why cardiologists increasingly consume journal content in digital environments. (10–13)

    Advanced AI tools are now transforming digital reading of cardiology articles from passive text consumption into an interactive and highly efficient analytical process. Their application can rapidly summarize and simplify research findings, assist in manuscript preparation and editing, and generate novel educational materials. However, studies have also identified important limitations in the application of AI-based tools, including the misinterpretation of results (“hallucinations”), the generation of inaccurate references, and related shortcomings. Consequently, verification of information sources and careful assessment of AI-generated outputs remain essential before their application in real-world settings. (14–16)

    When a cardiology article speaks

    In the spring of 2026, the well-curated digital archive of the Cardiologia Croatica journal evolved into something more than a repository of published articles. A clearly structured and editorially curated archive comprising 2,124 XML files, maintained since 2014, (17) was transformed, with the assistance of a generative AI model, into a searchable and educationally valuable system that is changing the way cardiology knowledge is disseminated, acquired, and critically evaluated (Figure 1). Whereas search results were lexical in nature until 2025 (i.e., based on conventional keyword matching), the new biomedical search engine powered by advanced AI methodology is capable of understanding medical context and user intent. This “conversation with the journal” approach, enabled through AI-assisted semantic search (Figure 2), helps users to not only identify all relevant results more efficiently (Figure 3) but also gain a deeper understanding of how a particular topic has evolved throughout the journal’s publication history (Figure 4). Vector search methods (identifying relevance and contextual relationships) coupled with reduced informational noise (irrelevant data), represent key methodologies used by the AI model to retrieve relevant content accurately and efficiently. Structured filters allow users to refine search results according to author, publication year, article type, DOI, and ORCID identifiers. Responses are generated exclusively from archived journal content and are accompanied by source references. This feature is particularly important in professional and educational settings, as users must be able to verify sources, access original articles, and incorporate them into further research, writing, or learning activities. In addition to thematic chronology, the educational layer of the system includes clinical case presentations and interactive knowledge cards that guide users toward a deeper understanding of a given topic, enabling users to identify connections between sources and critically evaluate the scientific literature. Such capabilities are important because the primary challenge today often is often not limited access to scientific literature, but rather information overload and the difficulty of navigating the large volume of texts in the available literature.

    FIGURE 1. Conversation with the Cardiologia Croatica journal (image generated by ChatGPT, May 7, 2026).
    FIGURE 2. Cardiologia Croatica journal – (advanced) search feature.
    FIGURE 3. Cardiologia Croatica – AI Journal Research Assistant.
    FIGURE 4. Cardiologia Croatica – Research topic timeline and AI overview of key contributing articles.

    At the level of the publishing industry, several solutions have emerged that aim to simplify interaction with databases containing hundreds of thousands of journals and articles, further validating this developmental approach. For example, Oxford Academic, the publisher of leading journals of the European Society of Cardiology, has integrated advanced AI technologies based on the OpenAI ChatGPT models and semantic search tools as the foundation of its database retrieval architecture, commonly referred to as Retrieval-Augmented Generation (RAG) technology. The Oxford Academic AI Discovery Assistant searches databases and clinical guidelines according to the underlying meaning of terms rather than relying solely on exact keyword matches. Information retrieval moves from hours to seconds with only a few interactions necessary to access any information, while the RAG architecture and vector searches address one of the major limitations of conventional AI applications in medicine – reliability. First, semantic search identifies the medical context of the query, and the system then searches a database of published literature and extracts the most relevant passages, which are supplied to the language model as the sole permissible source of information. This approach eliminates the risk of fabricated content or data. The AI model subsequently generates a clear response to the query within seconds while simultaneously providing references to the original publications. (14, 15, 18) Vector and semantic search technologies are also being increasingly incorporated into bibliographic and citation databases. The Wolters Kluwer company has introduced Ovid® Discovery AI, which enables literature retrieval and filtering based on the PICO(T) clinical questions and methodology (population, intervention, comparison, outcome, and time). (19) Elsevier’s AI Discovery is a platform that enables deep semantic exploration of the Scopus database while also providing graphical representations of interconnected concepts using conceptual mapping, visually linking related research topics and facilitating a broader understanding of a given topic as well as the development of new search strategies. (20, 21)

    Conclusion

    The implementation of AI models in the dissemination of knowledge from scientific publications within cardiology is transforming the way medical insights are generated, communicated, and applied. Modern digital reading converts a published article into an interactive process of inquiry, shifting the focus from passive memorization toward dynamic reasoning. The integration of visual and audio formats enables faster comprehension of complex clinical data and extends the reach and impact of scientific publications. However, the success of this process depends on reliable technological systems, clear data sources, and a high degree of professional responsibility on the part of journal editors and publishers.

    Literature

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      Strija J. Utjecaj umjetne inteligencije na suvremeno čitanje stručnih radova: analiza alata temeljenih na umjetnoj inteligenciji za poboljšanje čitalačkog iskustva. Novi uvez. 2024;XXII(41):3-13.Link
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    3. 3.
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    4. 4.
      Shireen Fathi Malo. Adel Al-zebari. Intelligent semantic search for academic journals using AI and NLP techniques. J Inf Syst Eng Manag. 2025 May 1;10 41s:404–20.DOI
    5. 5.
      Vardas PE. Large language models in scientific publications: challenges and opportunities. Eur Heart J. 2026 May 15;47(18):2149–51.DOI
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      Ramos E, Concepcion BP. Visual Abstracts: Redesigning the Landscape of Research Dissemination. Semin Nephrol. 2020 May;40(3):291–7.DOI
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      Lam CSP, Barry K, Khera A. Medical Podcasting and Circulation on the Run: Why, How, and What Now. Circulation. 2017 August 8;136(6):513–5.DOI
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      Saville RL, Agius SJ. A Sound Education: A Qualitative Study of the Role of Podcasts in Postgraduate Medical Education. Med Sci Educ. 2026 January 27;36(2):765–76.DOI
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      Schuuring MJ, Anwer S, Petersen SE, Moharem-Elgamal S, Muraru D. Social media for cardiac imagers: a review. Eur Heart J Cardiovasc Imaging. 2024 August 26;25(9):1177–82.DOI
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    12. 12.
      Peras I, Klemenčič Mirazchiyski E, Japelj Pavešić B, Mekiš Recek Ž. Digital versus Paper Reading: A Systematic Literature Review on Contemporary Gaps According to Gender, Socioeconomic Status, and Rurality. Eur J Investig Health Psychol Educ. 2023 September 22;13(10):1986–2005.DOI
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      Oikonomou EK, Asselbergs FW, Vardas PE. Updated critical quality criteria for real-world artificial intelligence implementation. Eur Heart J. 2026 May 15;47(18):2152–4.DOI
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      Alexandrou M, Mahtani AU, Brilakis ES. Bridging guidelines and large language models: a case for retrieval-augmented generation. Eur Heart J. 2026 May 15;47(18):2146–8.DOI
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      Kolar Janković T, Strija J. Pišemo stručni rad s umjetnom inteligencijom! (Ali ne tako kako mislite.). In: Strija J, Granić A, editors. Knjižnice u eri promjena – zbornik radova. XXXVIIII. Proljetna škola školskih knjižničara Republike Hrvatske. Tuheljske Toplice, Croatia; 2026 Apr 20-22; Zagreb: Agencija za odgoj i obrazovanje; 2026. p. 131-8.Link
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      Ivanuša M. Cardiologia Croatica and the Application of Advanced Information Technology in Publishing. Cardiol Croat. 2014;9(7-8):283–8.DOI
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      Madsen LT, Carter JC, Cantanelli S, Hong C, Bazzell A. The Promise of Artificial Intelligence to Aid in Systematic Reviews: An Examination of Scopus AI. J Adv Pract Oncol. 2026 March 4:1–7.DOI