hematoma
Let an agent explain hematomas and their kinds in general terms from clinical sources, identify dangerous internal hematomas that need emergency care, describe management of minor bruising, and route personal questions to clinicians.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain hematomas and their kinds in general terms from clinical sources, identify dangerous internal hematomas that need emergency care, describe management of minor bruising, and route personal questions to clinicians.
A localised collection of blood outside blood vessels within tissue, caused by injury, surgery, bleeding disorders or anticoagulant treatment, ranging from bruises and welts in the skin, through intramuscular hematomas and cephalohematomas of newborns, to dangerous internal hematomas such as subdural, epidural and spinal epidural hematomas that compress the brain or spinal cord, aortic intramural hematoma and obstetric pelvic hematomas; small hematomas resolve on their own while large or internal ones may need urgent drainage.
What it is for: Not applicable; a clinical finding.
It can be explain kinds; identify emergencies; relay management; route personal questions.
Distinguishing features
Localised blood collection
Wide severity range
Site-dependent danger
Anticoagulant risk
What it looks like
A swollen, discoloured area under the skin, or invisible when internal.
Physical character
bruise resolution: about 1-2 weeks - typical
chronic subdural hematoma: common in older adults note - often after minor injury
How it is recognised
Blood collected outside vessels in tissue
Bruises and welts, intramuscular, cephalohematoma, subdural and spinal epidural, aortic intramural, obstetric pelvic hematomas
A haemorrhage is active bleeding; a seroma is fluid; petechiae are tiny spots
Related models
is a kind of - in registry terms
is a kind of - in registry terms, when in the skin
is a kind of - in registry terms
is caused by - among other causes
In practice
Families and kinds
subcutaneous hematomas, bruises and welts
intramuscular hematomas
cephalohematoma of newborns
intracranial hematomas: epidural, subdural and intracerebral
spinal epidural hematoma
aortic intramural hematoma
obstetric and pelvic hematomas
post-surgical hematomas
Identifiers
MeSH D006406 hematoma
Standards and regulation
Clinical guidelines on head injury and anticoagulation
Emergency guidance on intracranial and spinal hematomas
Failure modes and hazards
Missing intracranial or spinal hematomas
Agents giving personal medical advice
Bleeding risk with anticoagulants
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Help Emergencies first.
Safety.
Urgent
Dangerous hematomas.
Urgent
Urgent.
- Which signs after a head or back injury, such as worsening headache, drowsiness, weakness or numbness, indicate a dangerous hematoma needing emergency care? action
- Is the user describing such signs, which need emergency services now? boundary
Assessment
Assessment.
Assessment
Assessment.
- How are hematomas assessed with examination and imaging, in general terms? provenance
- Is the user asking about their own injury, which needs a clinician? boundary
Understand The finding.
Clinical.
Definition
Definition and kinds.
Definition
Definition.
- What is a hematoma, and how do bruises, intramuscular, cephalohematoma, intracranial, spinal, aortic and pelvic hematomas differ? definition
- Is the question about a hematoma, active haemorrhage or another swelling? boundary
Causes
Causes.
Causes
Causes.
- What causes hematomas, from injury and surgery to bleeding disorders and anticoagulants? provenance
- Which entry fits the specific cause? action
Manage Management.
Clinical.
Minor
Minor hematomas.
Minor
Minor.
- What general self-care do health services advise for bruises and minor hematomas? action
- Which references are standard? provenance
Treatment
Treatment.
Treatment
Treatment.
- How are large or internal hematomas treated, including drainage and surgery, in general terms? provenance
- Which sources are cited? provenance
Context Special cases.
Context.
Newborns
Cephalohematoma.
Newborns
Newborns.
- What is cephalohematoma in newborns, and how is it managed? provenance
- Which entry fits cephalohematoma? action
Aortic
Aortic intramural hematoma.
Aortic
Aortic.
- What is aortic intramural hematoma, and why is it an emergency? provenance
- Which entry fits acute aortic syndrome? action
What the second pass must settle
- Should subdural hematoma be a separate primary entry?
- How should clinical guidelines be linked?
- The registry entry has merged aliases naming site-specific hematomas; should they be split off?