RADIOVISTA — ECHOCARDIOGRAPHY MEDIA ATTRIBUTION
Checked: 2026-10-29

PLAX: “PLAXnormal (CardioNetworks ECHOpedia)”
https://commons.wikimedia.org/wiki/File:PLAXnormal_(CardioNetworks_ECHOpedia).webm
PSAX: “SAXPAP normal (CardioNetworks ECHOpedia)”
https://commons.wikimedia.org/wiki/File:SAXPAP_normal_(CardioNetworks_ECHOpedia).webm

Author: CardioNetworks: Vdbilt.
Original embedded credit: Courtesy of Dept. of Echocardiography AMC,
I.A.C. van der Bilt, MD. ECHOpedia.org, part of cardionetworks.org.
Source publication: 1 October 2007 (Commons source records).
Both source records cite Wikimedia permission ticket 2011102310008874.

MEDIA LICENSE: Creative Commons Attribution-ShareAlike 3.0 Unported.
https://creativecommons.org/licenses/by-sa/3.0/
Legal terms: https://creativecommons.org/licenses/by-sa/3.0/legalcode

Changes for RadioVista local comparison:
- Lossless WebP decoding of the downloaded WebM frames (624 × 480 px).
- Display crop: x=65, y=20, width=490, height=350 source pixels.
- PLAX uses frames 0–50; PSAX uses frames 0–31 of a 93-frame recording.
- Manual, interpolated interactive orientation regions and explanatory text.
- The source credits cropped from the player are reproduced immediately below it.
- No AI enhancement, sharpening, invented ultrasound pixels or baked-in labels.
- The complete, unmodified source WebM files remain included.

The adapted media and source-specific anatomical guides (anatomy.js and
psax-anatomy.js) are supplied under the same CC BY-SA 3.0 licence.
Retain attribution, source links, licence and change notices when distributing.
Adaptations must comply with ShareAlike. Do not impose additional legal or
technical restrictions on these licensed materials. An app's terms must not
remove the rights granted by this licence for the licensed media.
No endorsement by CardioNetworks, AMC or the original author is implied.
This notice does not relicense unrelated application code or other media.

The labels are manually placed educational orientation guides, not independently
validated clinical segmentations or measurements. Clinical review is pending.
Copyright licence evidence is not independent verification of other rights
such as patient consent. The CC licence provides no warranties.