Terms of Service

Please read these Terms of Service ("Terms") carefully before using MAP Calculator at mapcalculator.app (the "Service"), operated by MAP Calculator ("we", "us", or "our").

By accessing or using our Service, you agree to be bound by these Terms. If you disagree with any part of the Terms, you may not access the Service.

Acceptance of Terms

By accessing or using MAP Calculator, you confirm that you are at least 18 years of age (or the age of majority in your jurisdiction), that you have read and understood these Terms, and that you agree to be legally bound by them.

If you are using the Service on behalf of an organisation, you represent and warrant that you have the authority to bind that organisation to these Terms, and the Terms will apply to your organisation.

We reserve the right to update these Terms at any time. Continued use of the Service after changes are posted constitutes acceptance of the revised Terms.

Description of Service

MAP Calculator provides a free, browser-based tool for calculating Mean Arterial Pressure (MAP) using standard clinical formulas. The Service also provides:

• Educational content about MAP and cardiovascular health
• Clinical reference values and interpretation guidance
• General information about hemodynamic monitoring
• Links to external resources for further reading

All calculations are performed locally in your browser. No health data you enter is transmitted to or stored on our servers. The Service is provided free of charge and without any registration requirement.

Medical Disclaimer

The information and results provided by this Service are intended for general educational and informational purposes only. They are not intended to:

• Diagnose, treat, cure, or prevent any medical condition
• Replace or substitute the advice of a qualified healthcare professional
• Be used as the sole basis for any clinical decision
• Constitute a doctor-patient or clinician-patient relationship

Always seek the guidance of a physician or other qualified health professional with any questions you may have regarding a medical condition or treatment. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

If you believe you are experiencing a medical emergency, call your local emergency services (such as 911, 999, or 112) immediately. Do not use this website in an emergency situation.

Clinical reference ranges and thresholds presented on this site are for general guidance only. Individual patient circumstances vary significantly, and clinical decisions must always be made in the context of the complete clinical picture by a qualified professional.

Permitted Use

You are permitted to use MAP Calculator for the following purposes:

• Personal educational reference and learning
• Clinical reference by qualified healthcare professionals as a supplementary tool
• Medical and nursing education and training
• Academic research and study
• General health awareness and information

The Service is made available free of charge and you may use it on any compatible device through a standard web browser. No account or registration is required.

Prohibited Activities

You agree not to engage in any of the following activities in connection with the Service:

• Using the Service in any way that violates applicable laws or regulations
• Attempting to gain unauthorised access to any part of the Service or its infrastructure
• Transmitting any malicious code, viruses, or disruptive software
• Scraping, crawling, or systematically extracting data from the Service in an automated manner without prior written consent
• Misrepresenting the Service as a certified medical device or regulatory-approved clinical tool
• Using the Service in a way that could mislead patients or cause clinical harm
• Copying, reproducing, or republishing substantial portions of the site content without permission
• Interfering with or disrupting the integrity or performance of the Service
• Impersonating any person or entity, or misrepresenting your affiliation with any person or entity

We reserve the right to terminate access for any user who violates these prohibitions.

Intellectual Property

The Service and its original content, features, and functionality are and will remain the exclusive property of MAP Calculator and its licensors. This includes, but is not limited to:

• The design, layout, and visual appearance of the website
• Written content, educational materials, and clinical reference guides
• The MAP Calculator name, logo, and branding
• Source code and technical implementation of the calculator

You may not reproduce, distribute, modify, create derivative works of, publicly display, publicly perform, republish, download, store, or transmit any of the material on our Service without prior written consent, except as follows:

• Your computer may temporarily store copies of such materials in RAM incidental to your accessing and viewing those materials
• You may store files that are automatically cached by your browser for display enhancement purposes
• You may print or download one copy of a reasonable number of pages from the website for your own personal, non-commercial use

The mathematical formula used to calculate MAP (MAP = (SBP + 2 × DBP) / 3) is a standard medical formula in the public domain and is not claimed as proprietary.

Disclaimer of Warranties

The Service is provided on an "as is" and "as available" basis, without any warranties of any kind, either express or implied.

To the fullest extent permitted by applicable law, we expressly disclaim all warranties, including but not limited to:

• Implied warranties of merchantability, fitness for a particular purpose, and non-infringement
• Warranties that the Service will be uninterrupted, error-free, or free of viruses or other harmful components
• Warranties regarding the accuracy, reliability, completeness, or timeliness of any content
• Warranties that the Service is suitable for any specific clinical or medical purpose

Limitation of Liability

To the fullest extent permitted by applicable law, MAP Calculator, its operators, authors, contributors, and affiliates shall not be liable for any:

• Indirect, incidental, special, consequential, or punitive damages
• Loss of profits, data, goodwill, or other intangible losses
• Damages resulting from your use of, or inability to use, the Service
• Damages resulting from any clinical decisions made based on information from the Service
• Damages resulting from unauthorised access to or alteration of your data
• Any other matter relating to the Service

This limitation applies whether the alleged liability is based on contract, tort, negligence, strict liability, or any other basis, even if we have been advised of the possibility of such damage.

In jurisdictions that do not allow the exclusion or limitation of liability for consequential or incidental damages, our liability is limited to the maximum extent permitted by law.

Third-Party Links

Our Service may contain links to third-party websites, resources, or services that are not owned or controlled by MAP Calculator. These include links to:

• Authoritative medical references (Surviving Sepsis Campaign, MDCalc, NCBI/StatPearls, MSD Manual, PubMed)
• Peer-reviewed clinical journals and research databases
• The developer's professional profiles (LinkedIn, GitHub, Twitter/X)
• Social media platforms

We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services. We strongly advise you to read the terms and privacy policy of any third-party site you visit.

The inclusion of any link does not imply endorsement by MAP Calculator of the linked site or its content.

Privacy

Your use of the Service is also governed by our Privacy Policy, which is incorporated into these Terms by reference. Please review our Privacy Policy to understand our practices regarding the collection and use of information.

Key privacy commitments relevant to these Terms:

• No blood pressure values or health data entered into the calculator are stored or transmitted
• All calculations are performed locally in your browser
• We do not sell personal data to third parties
• The Service is ad-free and does not use advertising trackers

Modifications to the Service

We reserve the right to modify, suspend, or discontinue the Service (or any part of it) at any time, with or without notice. This includes:

• Updating or revising the MAP formula implementation
• Changing clinical reference values to reflect updated guidelines
• Adding or removing features
• Temporarily or permanently suspending the Service for maintenance

We will not be liable to you or any third party for any modification, suspension, or discontinuation of the Service. We recommend bookmarking the site rather than saving offline copies to ensure you always access the most current version.

Termination

We may terminate or restrict your access to the Service immediately, without prior notice or liability, for any reason, including but not limited to breach of these Terms.

Upon termination, your right to use the Service will immediately cease. All provisions of the Terms which by their nature should survive termination — including, without limitation, ownership provisions, warranty disclaimers, indemnity, and limitations of liability — shall survive.

Governing Law

These Terms shall be governed and construed in accordance with the laws of the United States, without regard to its conflict of law provisions.

Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights. If any provision of these Terms is held to be invalid or unenforceable by a court, the remaining provisions will continue in full force and effect.

These Terms constitute the entire agreement between us regarding our Service and supersede and replace any prior agreements we might have had between us regarding the Service.

Changes to These Terms

We reserve the right to modify or replace these Terms at any time at our sole discretion. When we make changes, we will:

• Update the "Last updated" date at the top of this page
• Post the revised Terms on this page
• Where required by law, provide notice of material changes

What constitutes a material change will be determined at our sole discretion. By continuing to access or use our Service after those revisions become effective, you agree to be bound by the revised Terms.

If you do not agree to the new Terms, please stop using the Service.

Contact

If you have any questions about these Terms of Service, please contact us: