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Author Guidelines

Kerala Heart Journal


Kerala Heart Journal (KHJ) is the official journal of Cardiological Society of India (CSI)-Kerala Chapter and accepts articles for publication from across the globe. Kerala Heart Journal is an indexed open access peer reviewed journal for updating cardiologists to newer developments in cardiology and for promoting cardiovascular research.  Kerala Heart Journal aims to publish work of the highest quality from all sub-specialties of cardiology-clinical and non-clinical including cardiovascular medicine and surgery. The editors of Kerala Heart Journal invite original research articles, review articles, case reports, cardiovascular images, editorial and letters to the editor for publication. All submitted manuscripts undergo a rigorous peer review process after submission. Currently Kerala Heart journal is published in two issues annually.

The Kerala Heart Journal follows Uniform Requirements for Manuscripts Submitted to Biomedical Journals ( ). Clinical trials should be registered in a database at the time of trial inception as per ICMJE guidelines. Kerala Heart Journal follows the policy of Open Access to Scientific literature. All opinions stated are exclusively that of the author(s) and need not represent the views of the editors or the publisher. All manuscripts must be submitted through the journal’s online submission.

Scope of the Journal: Kerala Heart Journal aims to publish work of the highest quality from all sub-specialties of cardiology-clinical and non-clinical including cardiovascular medicine and surgery. The editors of Kerala Heart Journal invite original research articles, review articles, case reports, cardiovascular images and letters to the editor for publication

Manuscript Submission:

Manuscripts should be submitted online You have to register first in order to submit a manuscript. All manuscripts should be accompanied by a covering letter stating that all authors have read the manuscript and contributed to the work. A statement signed by all authors (scan copy) to the effect that the material submitted has not been published elsewhere nor under consideration of publication should be uploaded as a supplementary file. In case previously published material is being used for illustration of review articles, copies of letters granting permission by the publisher should be provided. Details of all authors including email ids should be entered in the online submission system.

Manuscript Preparation: The preferred format for the manuscript is the Microsoft Word doc format. The figures and tables should be in jpg format at a resolution of 300 dpi with 600 pixel width. They should be inserted in the manuscript at the appropriate places. Colour images are encouraged and do not incur any costs. If the image shows a person who is identifiable, suitable measures should be taken to conceal the identity if possible and consent from the person must be provided before the image is published. Non-english speaking authors are strongly recommended to obtain assistance for correcting grammar in the manuscript. Manuscripts written in poor English are at a disadvantage in the review process or may even be rejected by the editor.

Contents of the manuscript should be arranged as follows - title page, abstract, text, references. Figures and tables may be inserted at the appropriate places in the mnauscript.  Each of these components should be prepared as described below.

Title page:

Full title which should be brief and descriptive. Include full names, academic degrees and affiliations of all authors. Sources of financial support and any possible conflict of interest should be mentioned for all authors. Full name, address, phone number and email for the corresponding author must be mentioned. 


The abstract should be structured with the following headings - Background, Methods, Results and Conclusions. The abstract should not be longer than 250 words. The abstract should be followed by 3-6 key words. Abstracts need to be submitted only for original articles, review articles and case reports. Structured abstracts are needed only for original articles, while other types of articles can have plain narrative abstracts. 


The manuscript text should be organized into the following sections - Introduction, Materials and Methods, Results, Discussion and Acknowledgments. Expand abbreviations at first mention with the abbreviation in parentheses.


References in the text should be numbered by order of appearance. References should be formatted as shown below. Journal names should be abbreviated according to the style of index medicus. List upto 6 authors for each reference. If there are more than 6 authors, list the first 3, followed by et al. 

1. Wilson DG, Ahmed N, Nolan R, Frontera A, Thomas G, Duncan E. Implantable  cardioverter- defibrillators in octogenarians: clinical outcomes from a single centre. Indian  Pacing Electrophysiol J. 2015;15:4-14.       

 2. Kuck KH, Cappato R, Sibels J, Ruppel Ruppel R. for the CASH Investigators. Randomized comparison of antiarrhythmic drug therapy with implantable defibrillators in patients resuscitated from cardiac arrest. Circulation 2000; 102: 748-754. 

Categories of Articles:

The journal accepts manuscripts in the following categories. Articles can be submitted as original research articles, review articles, case reports, cardiovascular images, editorial and letter to editor for publication. The editors reserve the right to change the article type. Please refer to the specific word limits, formatting guidelines and instructions for each article type before submission.

Original Research Articles:

Original research articles should report research relevant to cardiology including randomized clinical trials, Cardiac intervention studies, studies of screening and diagnostic tests, cohort studies, systematic reviews, cost-effectiveness analyses, case control studies and cross-sectional studies. Before reporting a clinical trial we strongly urge the authors to register their clinical trials involving human subjects in CTRI (Clinical Trials Registry of India), available at,   hosted by the Indian Council of Medical Research. Original articles are articles reporting research work which has not been published and should not be under consideration for publication elsewhere. In general, manuscripts should not exceed 6000 words (including abstract, references and figure legends). Up to 8 figures, 3 tables and 35 references are allowed.

Review articles

Reviews are usually commissioned by the editor. But unsolicited reviews on a topic of contemporary interest will also be considered. The length of the review article should not exceed 5000 words. An abstract of less than 250 words should be included. The number of references should be limited to 50. In case previously published material is being used for illustration of review articles, copies of letters granting permission by the publisher should be provided.

Case report:

Reports of interesting cases should be limited to less than 2500 words and upto 4 figures. Number of references and number of authors should not exceed 5. The following file types are acceptable: TIFF, JPEG. The authors should ensure that images of similar nature have not been published earlier. 

Cardiovascular images

Reports with a focus on interesting images / video can be presented with less than 500 words of narrative text, 2 images, 4 authors and 4 references. No separate abstract is needed in images. 


Editorials are mostly written by the editors or the editorial advisory board members. But unsolicited editorials on topics of current interest will also be considered. Maximum number of words: 1500.

Letter to editor

Letters should not have more than 500 words; contain no more than 2 Figure/Table and upto 5 most recent references. The text need not be divided into sections. The number of authors should not exceed 3, including the authors’ reply in response to a letter commenting upon an article published in Kerala Heart Journal. At the Editorial board’s discretion, the letter may be sent to the authors for reply and the letter alone or letter and reply together may be published after appropriate review. Letters either with reference to an article published recently in the journal or on a topic of contemporary interest will be considered for publication. Letters should not exceed 500 words and 5 references.  

Editorial Process:

All articles submitted to the Journal undergo initial review by the Editor/associate editor and articles that are outside the scope of Journal will be excluded and those not in the journal format will be sent back for formatting. The article will then be peer reviewed by at least two experts in the respective field. The final decision on the manuscript will be reached based on the peer review by the editor. The accepted articles post technical and language correction and copyright transfer will be published online.

As per the policy of the Journal, an Editor, who is either author of a manuscript or belongs to the same institution as any of the authors, is not assigned that manuscript and is not involved in decision-making regarding its publication. Reviewers/Editorial Board members should decline the invitation to review a manuscript which is submitted by authors from their institution

Contact details for submission

If assistance is required by the authors, please contact the Editorial Office.

Editorial Office

Kerala Heart Journal

Dr Sajeer Kalathingathodika, MBBS, MD, DM(Cardio), DNB(Cardio)


Manuscript Submission: Check list for contributors

The Journal only accepts online submissions in electronic format. All new manuscripts must be submitted online with the following documents

1. Covering letter signed by corresponding author confirming that that the manuscript is not submitted or published elsewhere. Statement regarding Ethics committee approval and informed consent from subjects involved in study shall be enclosed.

2. Title page

Title of manuscript

Full name(s) and affiliations of author(s); institution(s) and city(ies) from which work originated

Name, address, telephone, fax numbers and e-mail address of corresponding author

Number of pages, number of figures and number of tables

3. Declaration of conflict of interest

4. Structured abstract

5. Article proper (double spaced, Times New Roman font).

6. Acknowledgements (Separate sheet)

 7. References (double spaced, separate sheet, Vancouver style).

 9. Each table on separate sheet

 10. Figures/diagrams on separate sheet

 11. Legends on separate sheet

**Electronic signatures may be copied in submitted softcopies when and where necessary



Submission Preparation Checklist

As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.

  1. The submission has not been previously published, nor is it before another journal for consideration (or an explanation has been provided in Comments to the Editor).
  2. The submission file is in OpenOffice, Microsoft Word, RTF, or WordPerfect document file format.
  3. Where available, URLs for the references have been provided.
  4. The text is single-spaced; uses a 12-point font; employs italics, rather than underlining (except with URL addresses); and all illustrations, figures, and tables are placed within the text at the appropriate points, rather than at the end.
  5. The text adheres to the stylistic and bibliographic requirements outlined in the Author Guidelines, which is found in About the Journal.
  6. If submitting to a peer-reviewed section of the journal, the instructions in Ensuring a Blind Review have been followed.

Copyright Notice

Journal allow authors to hold the copyright and retain publishing rights without restrictions.  However we strongly discourage duplicate and redundant publication


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