Guide for Authors

  • All journal information and instructions compiled in one document (PDF) in just one mouse-click Author information pack

    INTRODUCTION
    BEFORE YOU BEGIN
    • Ethics in Publishing
    • Human and animal rights
    • Conflict of interest
    • Submission declaration
    • Changes to Authorship
    • Article transfer service
    • Copyright
    • Role of the Funding Source
    • Funding Body Agreements and Policies
    • Language services
    • Submission
    PREPARATION
    • Use of Word Processing Software
    • Article structure
    • Essential Title Page Information
    • Abstract
    • Abbreviations
    • Acknowledgements
    • Units
    • Math Formulae
    • Artwork
    • Illustrations services
    • Tables
    • References
    • Video data
    • Supplementary data
    • Readers’ Comments
    • Submission checklist
    AFTER ACCEPTANCE
    • Use of the Digital Object Identifier
    • Proofs
    • AUTHOR INQUIRIES



    Published 24 times a year, The American Journal of Cardiology® is an international journal designed for cardiovascular disease specialists and internists with a subspecialty in cardiology. AJC is an independent, scientific, peer-reviewed journal of original articles that focus on the practical, clinical approach to the diagnosis and treatment of cardiovascular disease. AJC has one of the fastest acceptance to publication times in cardiology. Articles report on systemic hypertension, methodology, drugs, pacing, arrhythmia, preventive cardiology, congestive heart failure, valvular heart disease, congenital heart disease, and cardiomyopathy. Also included are editorials, readers' comments, and symposia.

    Ethics in Publishing

    For information on ethics in publishing and ethical guidelines for journal publication see http://www.elsevier.com/publishingethics and http://www.elsevier.com/journal-authors/ethics.

    Human and animal rights

    If the work reported involves the use of animal or human subjects, the author should ensure that the work described has been carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans http://www.wma.net/en/30publications/10policies/b3/index.html; EU Directive 2010/63/EU for animal experiments http://ec.europa.eu/environment/chemicals/lab_animals/legislation_en.htm; Uniform Requirements for manuscripts submitted to Biomedical journals http://www.icmje.org. The author should include a statement in the manuscript that informed consent was obtained for experimentation with human subjects. The privacy rights of human subjects must always be observed.

    Conflict of interest

    All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence (bias) their work. Examples of potential conflicts of interest include employment, consultancies, stock ownership, honoraria, paid expert testimony, patent applications/registrations, and grants or other funding. See also http://www.elsevier.com/conflictsofinterest. Further information and an example of a Conflict of Interest form can be found at: http://help.elsevier.com/app/answers/detail/a_id/286/p/7923.

    Submission declaration

    Submission of an article implies that the work described has not been published previously (except in the form of an abstract or as part of a published lecture or academic thesis or as an electronic preprint; see http://www.elsevier.com/postingpolicy), that it is not under consideration for publication elsewhere, that its publication is approved by all authors and tacitly or explicitly by the responsible authorities where the work was carried out, and that, if accepted, it will not be published elsewhere, including electronically in the same form, in English or in any other language, without the written consent of the publisher.

    Changes to Authorship

    This policy concerns the addition, deletion, or rearrangement of author names in the authorship of accepted manuscripts.
    Before the accepted manuscript is published in an online issue: Requests to add or remove an author, or to rearrange the author names, must be sent to the Journal Manager from the corresponding author of the accepted manuscript and must include: (a) the reason the name should be added or removed or the author names rearranged and (b) written confirmation (e-mail, fax, letter) from all authors that they agree with the addition, removal, or rearrangement. In the case of addition or removal of authors, this includes confirmation from the author being added or removed. Requests that are not sent by the corresponding author will be forwarded by the Journal Manager to the corresponding author, who must follow the procedure as described above. Note that: (1) the Journal Manager will inform the Editor in Chief of any such requests, which will be made only at the Editor in Chief's discretion; and (2) publication of the accepted manuscript in an online issue is suspended until authorship has been agreed.
    After the accepted manuscript is published in an online issue: Any requests to add, delete, or rearrange author names in an article published in an online issue will follow the same policies as noted above and result in a corrigendum.

    Article transfer service

    This journal is part of our Article Transfer Service. This means that if the article is not accepted for publication in AJC, the Editor in Chief may suggest the possibility of transferring it to another journal for consideration for publication. You may accept or decline; if you accept, your article will be transferred automatically on your behalf with no need to reformat. More information about this can be found here: http://www.elsevier.com/authors/article-transfer-service.

    Copyright

    This journal offers you the option of making your article freely available via the ScienceDirect platform. To prevent any conflict of interest, you can make this choice only after receiving notification that your article has been accepted for publication. The fee of $3,000 excludes taxes and other potential author fees such as color charges. In some cases, institutions and funding bodies have entered into agreement with Elsevier to meet these fees on behalf of their authors. Details of these agreements are available at http://www.elsevier.com/fundingbodies. Authors of accepted articles who wish to take advantage of this option should complete and submit the order form (available at http://www.elsevier.com/locate/openaccessform.pdf).

    Retained author rights
    As an author you (or your employer or institution) retain many rights, including the right to post a revised personal version of your article on your own website. For more information on author rights see http://www.elsevier.com/journal-authors/author-rights-and-responsibilities.
    For open access articles please see http://www.elsevier.com/OAauthoragreement.

    Role of the Funding Source

    Please identify who provided financial support for the research and/or preparation of the article and briefly describe the role of the sponsor(s), if any, in study design; in the collection, analysis, and interpretation of data; in writing the report; and in the decision to submit the article for publication. If the funding source(s) had no such involvement then this should be stated. Please see http://www.elsevier.com/funding.

    Funding Body Agreements and Policies

    Elsevier has established agreements and developed policies to allow authors whose articles appear in journals published by Elsevier to comply with potential manuscript archiving requirements as specified as conditions of their grant awards. To learn more about existing agreements and policies please visit http://www.elsevier.com/fundingbodies.

    Language services

    Authors who feel their English language manuscript may require editing to eliminate possible grammatical or spelling errors and to conform to correct scientific English may wish to use the English language editing service available from Elsevier's WebShop. See http://webshop.elsevier.com/languageediting/ or visit our customer support site http://support.elsevier.com for more information.

    Submission

    Submission to this journal for full length reports, case reports, review articles, editorials, historical studies, proceeds totally online and you will be guided stepwise through the creation and uploading of your files. The system automatically converts source files to a single PDF file of the article, which is used in the peer-review process. Please note that even though manuscript source files are converted to PDF files at submission for the review process, these source files are needed for further processing after acceptance. All correspondence, including notification of the Editor's decision and requests for revision, takes place by e-mail, eliminating the need for a paper trail.

    Submit your article
    Please submit your article via http://ees.elsevier.com/ajc .

    Use of Word Processing Software

    It is important that the file be saved in the native format of the word processor used. The text should be in single-column, double-spaced (11 psi font) format. Keep the layout of the text as simple as possible. Most formatting codes will be removed and replaced on processing the article. In particular, do not use the word processor's options to justify text or to hyphenate words. However, do use bold face, italics, subscripts, superscripts, etc. When preparing tables, if you are using a table grid, use only one grid for each individual table and not a grid for each row. If no grid is used, use tabs, not spaces, to align columns. The electronic text should be prepared in a way very similar to that of conventional manuscripts (see also the Guide to Publishing with Elsevier: http://www.elsevier.com/guidepublication). Note that source files of illustrations, tables, and text graphics will be required whether or not you embed your illustrations in the text. See also the section on electronic artwork. To avoid unnecessary errors you are strongly advised to use your word processor's spell-check and grammar-check functions.

    Article structure

    Text headings
    Divide your article into clearly defined sections with brief headings. Each heading should appear on its own separate line. When cross-referencing text within the article, refer to the subsection by heading. Do not use any subheadings under the main four headings.

    Introduction
    State the objectives of the work and provide an adequate background, avoiding a detailed literature survey or a summary of the results.

    Material and methods
    Provide sufficient detail to allow the work to be reproduced. Methods already published should be indicated by a reference, and only relevant modifications should be described.

    Results
    Results should be clear and concise.

    Discussion
    This should explore the significance of the results of the work, not repeat them. A combined Results and Discussion section is often appropriate. Avoid extensive citations and discussion of published literature.

    Conclusions
    The main conclusions of the study may be presented in a short Conclusions section, which may stand alone or form a subsection of a Discussion or Results and Discussion section.

    Appendices
    If there is more than one appendix, they should be identified as A, B, etc. Formulae and equations in appendices should be given separate numbering: Eq. (A.1), Eq. (A.2), etc.; in a subsequent appendix, Eq. (B.1) and so on. Similarly for tables and illustrations: Table A.1; Fig. A.1, etc.

    Essential Title Page Information

    Title. Concise and informative. Titles are often used in information-retrieval systems. Avoid abbreviations and formulae where possible.
    Author names and affiliations. Where the family name may be ambiguous (e.g., a double name), indicate the correct presentation clearly. Provide the authors' affiliation addresses (where the actual work was done) below their names. Indicate all affiliations with a lower-case superscript letter immediately after the author's name and in front of the appropriate address. Provide the full postal address of each affiliation, including the country name and, if available, the e-mail address of each author.
    Corresponding author. Clearly indicate who will handle correspondence at all stages of review and publication, as well as post-publication. Ensure that phone numbers (with country and area code) are provided in addition to the e-mail address and the complete postal address. Contact details must be kept up to date by the corresponding author.This journal publishes author accepted manuscripts online; therefore, ensure that no information is given on the title page that should not be made publicly available.
    Present/permanent address. If an author has moved since the work described in the article was done, or was visiting at the time, a current address (or permanent address) may be indicated as a footnote to that author's name. The address at which the author actually did the work must be retained as the main, affiliation address. Superscript Arabic numerals are used for such footnotes.

    Abstract

    A concise and factual abstract is required. The abstract (maximum 250 words) the purpose of the research, the principal results, and major conclusions. Abstracts are often presented separately from the article, so the abstract must be able to stand alone. For this reason, references should be avoided, but if essential, then cite the author(s) and year(s). Also, non-standard or uncommon abbreviations should be avoided, but if essential they must be defined at their first mention in the abstract itself.

    Abbreviations

    Abbreviations are permitted and they must be used on every page of the manuscript after they are initially spelled out (followed by the abbreviation) in both abstract and text. Use only the most-commonly used 5 or 6 abbreviations. Do not abbreviate single words.

    Acknowledgements

    Collate acknowledgements in a separate section at the end of the article before the references. List here those individuals who provided help during the research (e.g., providing language help, writing assistance, proof reading the article, etc.).

    Units

    Follow internationally accepted rules and conventions: use the international system of units (SI). If other units are mentioned, please give their equivalent in SI.

    Math Formulae

    Present simple formulae in the line of normal text where possible and use the solidus (/) instead of a horizontal line for small fractional terms, e.g., X/Y. In principle, variables are to be presented in italics. Powers of e are often more conveniently denoted by exp. Number consecutively any equations that should be displayed separately from the text (if referred to explicitly in the text).

    Artwork

    Electronic Artwork
    General points
    • Use uniform lettering and sizing.
    • Embed the fonts used if the application provides that option.
    • Aim to use the following fonts in your illustrations: Arial, Courier, Times New Roman, Symbol, or fonts that look similar.
    • Number the illustrations according to their sequence in the text.
    • Use a logical naming convention for your artwork files.
    • Provide legends to illustrations separately.
    • Size the illustrations close to the desired dimensions of the printed version.
    • Submit each illustration as a separate file.
    A detailed guide on electronic artwork is available on our website:
    http://www.elsevier.com/artworkinstructions
    You are urged to visit this site; some excerpts from the detailed information are given here.
    Formats
    If your electronic artwork is created in a Microsoft Office application (Word, PowerPoint, Excel) then please supply as is in the native document format.
    Regardless of the application used other than Microsoft Office, when your electronic artwork is finalized, please "save as" or convert the images to one of the following formats (note the resolution requirements for line drawings, halftones, and line/halftone combinations given below):
    EPS (or PDF): Vector drawings, embed all used fonts.
    TIFF (or JPEG): Color or grayscale photographs (halftones), keep to a minimum of 300 dpi.
    TIFF (or JPEG): Bitmapped (pure black & white pixels) line drawings, keep to a minimum of 1000 dpi.
    TIFF (or JPEG): Combinations bitmapped line/half-tone (color or grayscale), keep to a minimum of 500 dpi.
    Please do not:
    • Supply files that are optimized for screen use (e.g., GIF, BMP, PICT, WPG); these typically have a low number of pixels and limited set of colors;
    • Supply files that are too low in resolution;
    • Submit graphics that are disproportionately large for the content.

    Color Artwork
    Please make sure that artwork files are in an acceptable format (TIFF (or JPEG), EPS (or PDF), or MS Office files) and with the correct resolution. If, together with your accepted article, you submit usable color illustrations then Elsevier will ensure, at no additional charge, that these illustrations will appear in color on the Web (e.g., ScienceDirect and other sites) regardless of whether or not these illustrations are reproduced in color in the printed version. For color reproduction in print, you will receive information regarding the costs from Elsevier after receipt of your accepted article. Please indicate your preference for color: in print or on the Web only. For further information on the preparation of electronic artwork, please see http://www.elsevier.com/artworkinstructions.
    Please note: Because of technical complications that can arise by converting color illustrations to gray scale (for the printed version should you not opt for color in print) please submit in addition usable black and white versions of all color illustrations.

    Illustrations services

    Elsevier's WebShop (http://webshop.elsevier.com/illustrationservices) offers illustration services to authors preparing to submit a manuscript but concerned about the quality of the images accompanying their article. Elsevier's expert illustrators can produce scientific, technical, and medical images, as well as a full range of charts, tables, and graphs. Image polishing is also available, whereby our illustrators improve your image(s) to a professional standard. Please visit the website to find out more.

    Illustration legends
    Ensure that each illustration has a legend. Supply legends separately, not attached to the illustration. A legend should comprise a brief title (not on the illustration itself) and a description of the illustration. Keep text in the illustrations themselves to a minimum but explain all symbols and abbreviations used. Place figure legends on a new page after the references.

    Tables

    Number tables consecutively in accordance with their appearance in the text. Place footnotes to tables below the table body and indicate them with superscript lowercase letters. Avoid vertical rules. Be sparing in the use of tables and ensure that the data presented in tables do not duplicate results described elsewhere in the article.

    References

    Citation in text
    Please ensure that every reference cited in the text is also present in the reference list (and vice versa). Unpublished results and personal communications are not permitted in the reference list, but may be mentioned in the text. If these references are included in the reference list they should follow the standard reference style of the journal and should include a substitution of the publication date with either "Unpublished results" or "Personal communication." Citation of a reference as "in press" implies that the item has been accepted for publication. References to abstracts are not allowed.

    Reference links
    Increased discoverability of research and high quality peer review are ensured by online links to the sources cited. To allow us to create links to abstracting and indexing services, such as Scopus, CrossRef, and PubMed, please ensure that data provided in the references are correct. Please note that incorrect surnames, journal/book titles, publication year, and pagination may prevent link creation. When copying references, please be careful as they may already contain errors. Use of the DOI is encouraged.

    Web references
    As a minimum, the full URL and the date when the reference was last accessed should be given. If known, any further information (DOI, author names, dates, reference to a source publication, etc.) should also be given. Web references can be listed separately (e.g., after the reference list) under a different heading if desired, or can be included in the reference list.

    References in special issue
    Please ensure that the words "this issue" are added to any references in the list (and any citations in the text) to other articles in the same special issue.

    Reference style
    List all authors, year, volume, and inclusive pages for all journal references and specific page numbers for all book references as shown below. Do not use periods after authors' initials or after abbreviations for titles of journals. Check Index Medicus or Annals of Internal Medicine (June 1982) as noted above for journal titles and abbreviations. Articles with incorrect reference formats will not be processed. Do not use "et al" - names of all authors must be included. All references must be typed out at the end of the article on a new page. Please do not use the footnote or endnote functions in your word processing program.

    Journal: Harvey W, Herberden W, Withering W, Stokes W, Murrell W, Einthoven W, Osler W. Anomalies and curiosities of cardiology and cardiologists. Reflections of famous medical Williams. Am J Cardiol 1984;53:900-915.
    Chapter in Book: Cabot RC, White PD, Taussig HB, Levine SA, Wood P, Friedberg CK, Nadas AS, Hurst JW, Braunwald E. How to write cardiology textbooks. In: Hope JA, ed. A Treatise on Disease of the Heart and Great Vessels. London: Yorke Medical Books, 1984:175-200.
    Book: Carrel A, Cutler EC, Gross RE, Blalock A, Craffoord C, Brock RC, Bailey CP, DeBakey ME. The Closing of Holes, Replacing of Valves and Inserting of Pipes, or How Cardiovascular Surgeons Deal with Knives, Knaves and Knots. New York: Yorke University Press, 1984:903.

    Video data

    Elsevier accepts video material and animation sequences to support and enhance your scientific research. Authors who have video or animation files that they wish to submit with their article are encouraged to include links to these within the body of the article. This can be done in the same way as for an illustration or table by referring to the video or animation content and noting in the body text where it should be placed. All submitted files should be properly labeled so that they directly relate to the video file's content. To ensure that your video or animation material is usable, please provide the files in one of our recommended file formats with a maximum size of 50 MB. Video and animation files supplied will be published online in the electronic version of your article in Elsevier Web products, including ScienceDirect: http://www.sciencedirect.com. Please supply still photos with your files: you can choose any frame from the video or animation or make a separate image. These will be used instead of standard icons and will personalize the link to your video data. For more detailed instructions please visit our video instruction pages at http://www.elsevier.com/artworkinstructions. Note: since video and animation cannot be embedded in the print version of the journal, please provide text for both the electronic and the print version for the portions of the article that refer to this content.

    Supplementary data

    Elsevier accepts electronic supplementary material to support and enhance your scientific research. Supplementary files offer the author additional possibilities to publish supporting applications, high-resolution images, background datasets, sound clips, and more. Supplementary files supplied will be published online alongside the electronic version of your article in Elsevier Web products, including ScienceDirect: http://www.sciencedirect.com. To ensure that your submitted material is usable, please provide the data in one of our recommended file formats. Authors should submit the material in electronic format together with the article and supply a concise and descriptive legend for each file. For more detailed instructions please visit our artwork instruction pages at http://www.elsevier.com/artworkinstructions.

    Readers’ Comments

    The author who submits a letter should provide a cover letter to the Editor in Chief stating why the letter should be published. The letter, as well as the references, should be double-spaced, and limited, with a few exceptions to 2 pages. A title for the letter should be provided at the top of the page, followed by the letter. At the end of letter provide just the author’s full name followed by his/her highest degree, followed by the city and state, or country if outside the US. It is preferred that these letters be submitted within 2 months if writing about a publication in the AJC. The references should begin on a new page

    Submission checklist

    Before you submit your article, please be sure that:
    One author has been designated as the corresponding author with contact details:
    • E-mail address
    • Full postal address
    • Phone numbers
    All necessary files have been uploaded, and contain:
    • All illustration legends
    • All tables (including title, description, footnotes)
    Manuscript has been spell-checked and grammar-checked
    References are in the correct format for this journal
    All references mentioned in the Reference list are cited in the text, and vice versa
    Permission has been obtained for use of copyrighted material from other sources (including the Web)
    Color illustrations are clearly marked as being intended for color reproduction on the Web (free of charge) and in print, or to be reproduced in color on the Web (free of charge) and in black-and-white in print
    If only color on the Web is required, black-and-white versions of the illustrations are also supplied for printing purposes
    For any further information please visit our customer support site at http://support.elsevier.com.

    Use of the Digital Object Identifier

    The Digital Object Identifier (DOI) may be used to cite and link to electronic documents. The DOI is a unique alpha-numeric character string assigned to a document by the publisher upon the initial electronic publication. The assigned DOI never changes. Therefore, it is an ideal medium for citing a document, particularly articles in press, because they have not yet received their full bibliographic information.

    Example of a correctly given DOI (in URL format; here an article in the journal Physics Letters B):
    http://dx.doi.org/10.1016/j.physletb.2010.09.059

    Proofs

    One set of page proofs (as PDF files) will be sent by e-mail to the corresponding author or a link will be provided in the e-mail so that author can download the files.The PDF proofs can be annotated, for which you will need to download Adobe Reader version 7 (or higher) available free from http://get.adobe.com/reader. Instructions on how to annotate PDF files will accompany the proofs (also given online). The exact system requirements are given at the Adobe site: http://www.adobe.com/products/reader/tech-specs.html.
    If you do not wish to use the PDF annotations function, you may list the corrections (including replies to the query form) and return them to Elsevier in an e-mail. Please list your corrections quoting line number. If this is not possible, then mark the corrections and any other comments (including replies to the query form) on a printout of your proof and return by fax, or scan the pages and send by e-mail or by post. Please use this proof only for checking the typesetting, editing, completeness, and correctness of the text, tables, and illustrations. Significant changes to the article as accepted for publication will be considered at this stage only with permission from the Editor. We will do everything possible to get your article published quickly and accurately – please let us have all your corrections within 48 hours. It is important to ensure that all corrections are sent back to us in one communication: please check carefully before replying, as inclusion of any subsequent corrections cannot be guaranteed. Proofreading is solely your responsibility. Note that Elsevier may proceed with the publication of your article if no response is received.

    AUTHOR INQUIRIES

    For inquiries relating to the submission of articles (including electronic submission) please visit this journal's homepage (http://www.ajconline.org). For detailed instructions on the preparation of electronic artwork, please visit http://www.elsevier.com/artworkinstructions. Contact details for questions arising after acceptance of an article, especially those relating to proofs, will be provided by the publisher. You can track accepted articles at http://www.elsevier.com/trackarticle. You can also check our Author FAQs at http://www.elsevier.com/authorFAQ and/or contact Customer Support via http://support.elsevier.com.

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