Heel tap sign
clinical sign

Heel tap sign, also called heel-jar or jar tenderness, is a clinical sign to identify appendicitis. It is found in patients with localized peritonitis. With the patient supine the right heel is elevated by 10-20 degrees is hit firmly with palm of the examiner's hand.
The prehospital equivalent of this sign is when pain is elicited as the ambulance hits bumps and potholes during the transport of the patient. Pain may be severe and may radiate to other areas with movement.
It is similar to rebound tenderness, but may be easier to elicit when the patient has firm abdominal wall muscles. Abdominal pain on walking or running is an equivalent sign.
The public source identifies “Heel tap sign” as clinical sign. This brief keeps that definition visible, then builds a research path around Heel, sign and clinical.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Heel tap sign”, the useful work is to connect “clinical sign” to the records capable of establishing context and consequence.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 7, 2022. The linked authority identifier is Q20708024. None of the 0 selected statements returned an explicit reference.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Heel tap sign”, its source revision and the description used here.
- Expand the search: follow Heel tap sign primary sources, Heel tap sign archive and Heel research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Heel tap sign”?
- What terminology or title could unlock a more precise catalogue search?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Heel tap sign” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.