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DDxElement

schema:Thing > schema:MedicalEntity > schema:MedicalIntangible > schema:DDxElement

An alternative, closely-related condition typically considered later in the differential diagnosis process along with the signs that are used to distinguish it.
PropertyExpected TypeDescription
Properties from schema:DDxElement
schema:diagnosis schema:MedicalCondition One or more alternative conditions considered in the differential diagnosis process.
schema:distinguishingSign schema:MedicalSignOrSymptom One of a set of signs and symptoms that can be used to distinguish this diagnosis from others in the differential diagnosis.
Properties from schema:MedicalEntity
schema:code schema:MedicalCode A medical code for the entity, taken from a controlled vocabulary or ontology such as ICD-9, DiseasesDB, MeSH, SNOMED-CT, RxNorm, etc.
schema:guideline schema:MedicalGuideline A medical guideline related to this entity.
schema:medicineSystem schema:MedicineSystem The system of medicine that includes this MedicalEntity, for example 'evidence-based', 'homeopathic', 'chiropractic', etc.
schema:recognizingAuthority schema:Organization If applicable, the organization that officially recognizes this entity as part of its endorsed system of medicine.
schema:relevantSpecialty schema:MedicalSpecialty If applicable, a medical specialty in which this entity is relevant.
schema:study schema:MedicalStudy A medical study or trial related to this entity.
Properties from schema:Thing
schema:additionalType schema:URL An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
schema:alternateName schema:Text An alias for the item.
schema:description schema:Text A short description of the item.
schema:image schema:ImageObject  or
schema:URL 
An image of the item. This can be a URL or a fully described ImageObject.
schema:name schema:Text The name of the item.
schema:potentialAction schema:Action Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
schema:sameAs schema:URL URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Freebase page, or official website.
schema:url schema:URL URL of the item.


Instances of schema:DDxElement may appear as values for the following properties
PropertyOn TypesDescription
schema:differentialDiagnosis schema:MedicalCondition One of a set of differential diagnoses for the condition. Specifically, a closely-related or competing diagnosis typically considered later in the cognitive process whereby this medical condition is distinguished from others most likely responsible for a similar collection of signs and symptoms to reach the most parsimonious diagnosis or diagnoses in a patient.

Prefixes used:

  • schema: http://schema.org/
  • Acknowledgements

    This class contains information contributed by WikiDoc.

    Examples

    <h1>Stable angina (angina pectoris)</h1>
    Stable angina is a medical condition that affects the heart. The
    most common causes are atherosclerosis and spasms of the
    epicardial artery. Typical symptoms include:
    <ul>
      <li>chest discomfort</li>
      <li>feeling of tightness, heaviness, or pain in the chest</li>
    </ul>
    Both stable angina and a heart attack result in chest pain, but
    a heart attack will have chest pain lasting at least
    10 minutes at rest, repeated episodes of chest pain at rest
    lasting 5 or more minutes, or an accelerating pattern of chest
    discomfort (episodes that are more frequent, severe,
    longer in duration, and precipitated by minimal exertion).
    <br>
    Risk factors for stable angina include:
    <ul>
      <li>Age</li>
      <li>Gender</li>
      <li>Systolic blood pressure</li>
      <li>Smoking</li>
      <li>Total cholesterol and/or cholesterol:HDL ratio</li>
      <li>Coronary artery disease</li>
    </ul>
    The initial treatment for stable angina is usually drug therapy
    with aspirin, beta blockers, ACE inhibitors, and/or nitroglycerine.
    Future episodes of stable angina can sometimes be prevented by
    stopping smoking, weight management, and increased physical activity.
    
    <div itemscope itemtype="http://schema.org/MedicalCondition">
      <h1><span itemprop="name">Stable angina</span>
        (<span itemprop="alternateName">angina pectoris</span>)</h1>
      <span itemprop="code" itemscope itemtype="http://schema.org/MedicalCode">
        <meta itemprop="code" content="413"/>
        <meta itemprop="codingSystem" content="ICD-9"/>
      </span>
      Stable angina is a medical condition that affects the
      <span itemprop="associatedAnatomy" itemscope itemtype="http://schema.org/AnatomicalStructure">
        <span itemprop="name">heart</span>
      </span>.
      The most common causes are
      <span itemprop="cause" itemscope itemtype="http://schema.org/MedicalCause">
        <span itemprop="name">atherosclerosis</span>
      </span>
      and
      <span itemprop="cause" itemscope itemtype="http://schema.org/MedicalCause">
        <span itemprop="name">spasms of the epicardial artery</span>
      </span>.
      Typical symptoms include:
      <ul>
        <li><span itemprop="signOrSymptom" itemscope itemtype="http://schema.org/MedicalSymptom">
              <span itemprop="name">chest discomfort</span>
            </span>
        </li>
        <li><span itemprop="signOrSymptom" itemscope itemtype="http://schema.org/MedicalSymptom">
              <span itemprop="name">feeling of tightness, heaviness,
                or pain in the chest</span>
            </span>
        </li>
      </ul>
      Both stable angina and a
      <span itemprop="differentialDiagnosis" itemscope itemtype="http://schema.org/DDxElement">
        <span itemprop="diagnosis" itemscope itemtype="http://schema.org/MedicalCondition">
          <span itemprop="name">heart attack</span>
        </span>
        result in chest pain, but a heart attack will have
        <span itemprop="distinguishingSign" itemscope itemtype="http://schema.org/MedicalSymptom">
          <span itemprop="name">chest pain lasting at least 10 minutes at rest</span>
        </span>,
        <span itemprop="distinguishingSign" itemscope itemtype="http://schema.org/MedicalSymptom">
          <span itemprop="name">repeated episodes of chest pain at rest
            lasting 5 or more minutes
          </span>
        </span>, or
        <span itemprop="distinguishingSign" itemscope itemtype="http://schema.org/MedicalSymptom">
          <span itemprop="name">an accelerating pattern of
            chest discomfort (episodes that are more frequent, severe,
            longer in duration, and precipitated by minimal exertion)
          </span>
        </span>
      </span>.
      <br>
      Risk factors for stable angina include:
      <ul>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Age</span>
            </span></li>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Gender</span>
            </span></li>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Systolic blood pressure</span>
            </span></li>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Smoking</span>
            </span></li>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Total cholesterol and/or cholesterol:HDL ratio</span>
            </span></li>
        <li><span itemprop="riskFactor" itemscope itemtype="http://schema.org/MedicalRiskFactor">
              <span itemprop="name">Coronary artery disease</span>
            </span></li>
      </ul>
      The initial treatment for stable angina is usually drug therapy
      with
      <span itemprop="possibleTreatment" itemscope itemtype="http://schema.org/Drug">
        <span itemprop="name">aspirin</span>
      </span>,
      <span itemprop="possibleTreatment" itemscope itemtype="http://schema.org/DrugClass">
        <span itemprop="name">beta blockers</span>
      </span>,
      <span itemprop="possibleTreatment" itemscope itemtype="http://schema.org/DrugClass">
        <span itemprop="name">ACE inhibitors</span>
      </span>, and/or
      <span itemprop="possibleTreatment" itemscope itemtype="http://schema.org/Drug">
        <span itemprop="name">nitroglycerine</span>
      </span>,
      Future episodes of stable angina can sometimes be prevented by
      <span itemprop="secondaryPrevention" itemscope itemtype="http://schema.org/LifestyleModification">
        <span itemprop="name">stopping smoking</span>
      </span>,
      <span itemprop="secondaryPrevention" itemscope itemtype="http://schema.org/LifestyleModification">
        <span itemprop="name">weight management</span>
      </span>, and
      <span itemprop="secondaryPrevention" itemscope itemtype="http://schema.org/LifestyleModification">
        <span itemprop="name">increased physical activity</span>
      </span>.
    </div>
    
    <div vocab="http://schema.org/" typeof="MedicalCondition">
      <h1><span property="name">Stable angina</span>
        (<span property="alternateName">angina pectoris</span>)</h1>
      <span property="code"  typeof="MedicalCode">
        <meta property="code" content="413"/>
        <meta property="codingSystem" content="ICD-9"/>
      </span>
      Stable angina is a medical condition that affects the
      <span property="associatedAnatomy"  typeof="AnatomicalStructure">
        <span property="name">heart</span>
      </span>.
      The most common causes are
      <span property="cause"  typeof="MedicalCause">
        <span property="name">atherosclerosis</span>
      </span>
      and
      <span property="cause"  typeof="MedicalCause">
        <span property="name">spasms of the epicardial artery</span>
      </span>.
      Typical symptoms include:
      <ul>
        <li><span property="signOrSymptom"  typeof="MedicalSymptom">
              <span property="name">chest discomfort</span>
            </span>
        </li>
        <li><span property="signOrSymptom"  typeof="MedicalSymptom">
              <span property="name">feeling of tightness, heaviness,
                or pain in the chest</span>
            </span>
        </li>
      </ul>
      Both stable angina and a
      <span property="differentialDiagnosis"  typeof="DDxElement">
        <span property="diagnosis"  typeof="MedicalCondition">
          <span property="name">heart attack</span>
        </span>
        result in chest pain, but a heart attack will have
        <span property="distinguishingSign"  typeof="MedicalSymptom">
          <span property="name">chest pain lasting at least 10 minutes at rest</span>
        </span>,
        <span property="distinguishingSign"  typeof="MedicalSymptom">
          <span property="name">repeated episodes of chest pain at rest
            lasting 5 or more minutes
          </span>
        </span>, or
        <span property="distinguishingSign"  typeof="MedicalSymptom">
          <span property="name">an accelerating pattern of
            chest discomfort (episodes that are more frequent, severe,
            longer in duration, and precipitated by minimal exertion)
          </span>
        </span>
      </span>.
      <br>
      Risk factors for stable angina include:
      <ul>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Age</span>
            </span></li>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Gender</span>
            </span></li>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Systolic blood pressure</span>
            </span></li>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Smoking</span>
            </span></li>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Total cholesterol and/or cholesterol:HDL ratio</span>
            </span></li>
        <li><span property="riskFactor"  typeof="MedicalRiskFactor">
              <span property="name">Coronary artery disease</span>
            </span></li>
      </ul>
      The initial treatment for stable angina is usually drug therapy
      with
      <span property="possibleTreatment"  typeof="Drug">
        <span property="name">aspirin</span>
      </span>,
      <span property="possibleTreatment"  typeof="DrugClass">
        <span property="name">beta blockers</span>
      </span>,
      <span property="possibleTreatment"  typeof="DrugClass">
        <span property="name">ACE inhibitors</span>
      </span>, and/or
      <span property="possibleTreatment"  typeof="Drug">
        <span property="name">nitroglycerine</span>
      </span>,
      Future episodes of stable angina can sometimes be prevented by
      <span property="secondaryPrevention"  typeof="LifestyleModification">
        <span property="name">stopping smoking</span>
      </span>,
      <span property="secondaryPrevention"  typeof="LifestyleModification">
        <span property="name">weight management</span>
      </span>, and
      <span property="secondaryPrevention"  typeof="LifestyleModification">
        <span property="name">increased physical activity</span>
      </span>.
    </div>
    
    <script type="application/ld+json">
    {
      "@context": "http://schema.org",
      "@type": "MedicalCondition",
      "alternateName": "angina pectoris",
      "associatedAnatomy": {
        "@type": "AnatomicalStructure",
        "name": "heart"
      },
      "cause": [
        {
          "@type": "MedicalCause",
          "name": "atherosclerosis"
        },
        {
          "@type": "MedicalCause",
          "name": "spasms of the epicardial artery"
        }
      ],
      "code": {
        "@type": "MedicalCode",
        "code": "413",
        "codingSystem": "ICD-9"
      },
      "differentialDiagnosis": {
        "@type": "DDxElement",
        "diagnosis": {
          "@type": "MedicalCondition",
          "name": "heart attack"
        },
        "distinguishingSign": [
          {
            "@type": "MedicalSymptom",
            "name": "chest pain lasting at least 10 minutes at rest"
          },
          {
            "@type": "MedicalSymptom",
            "name": "repeated episodes of chest pain at rest lasting 5 or more minutes"
          },
          {
            "@type": "MedicalSymptom",
            "name": "an accelerating pattern of chest discomfort (episodes that are more frequent, severe, longer in duration, and precipitated by minimal exertion)"
          }
        ]
      },
      "name": "Stable angina",
      "possibleTreatment": [
        {
          "@type": "Drug",
          "name": "aspirin"
        },
        {
          "@type": "DrugClass",
          "name": "beta blockers"
        },
        {
          "@type": "DrugClass",
          "name": "ACE inhibitors"
        },
        {
          "@type": "Drug",
          "name": "nitroglycerine"
        }
      ],
      "riskFactor": [
        {
          "@type": "MedicalRiskFactor",
          "name": "Age"
        },
        {
          "@type": "MedicalRiskFactor",
          "name": "Gender"
        },
        {
          "@type": "MedicalRiskFactor",
          "name": "Systolic blood pressure"
        },
        {
          "@type": "MedicalRiskFactor",
          "name": "Smoking"
        },
        {
          "@type": "MedicalRiskFactor",
          "name": "Total cholesterol and/or cholesterol:HDL ratio"
        },
        {
          "@type": "MedicalRiskFactor",
          "name": "Coronary artery disease"
        }
      ],
      "secondaryPrevention": [
        {
          "@type": "LifestyleModification",
          "name": "stopping smoking"
        },
        {
          "@type": "LifestyleModification",
          "name": "weight management"
        },
        {
          "@type": "LifestyleModification",
          "name": "increased physical activity"
        }
      ],
      "signOrSymptom": [
        {
          "@type": "MedicalSymptom",
          "name": "chest discomfort"
        },
        {
          "@type": "MedicalSymptom",
          "name": "feeling of tightness, heaviness, or pain in the chest"
        }
      ]
    }
    </script>
    

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