public List <AdverseReaction> Extract(CdaXmlDocument document)
{
var nodes = document.SelectNodes(_documentXPaths.Get("AdverseReactions"));
if (nodes == null || nodes.Count == 0)
{
return(null);
}
return
((from XmlNode node in nodes
select new AdverseReaction
{
AdverseReactionId = document.GetString(node, _documentXPaths.Get("AdverseReactionsId")),
SubstanceAgent = document.GetRelativeCode(node, _documentXPaths.Get("SubstanceAgent")),
AdverseReactionType = document.GetRelativeCode(node, _documentXPaths.Get("AdverseReactionType")),
Manifestations = document.GetListOfRelativeCodableText(node, _documentXPaths.Get("Manifestations"))
}
).ToList());
}
public List <Immunisation> Extract(CdaXmlDocument document)
{
var nodes = document.SelectNodes(_documentXPaths.Get("Immunisation"));
if (nodes == null || nodes.Count == 0)
{
return(null);
}
return
((from XmlNode node in nodes
select new Immunisation
{
Medicine = document.GetRelativeCode(node, _documentXPaths.Get("ImmunisationItem")),
SequenceNumber = document.GetString(node, _documentXPaths.Get("VaccineSequenceNumber")),
DateTime = document.GetDateTimeValue(node, _documentXPaths.Get("MedicationActionDate"))
}
).ToList());
}
private IList <MedicalHistory> LoadProcedures(CdaXmlDocument cdaDocument)
{
IList <MedicalHistory> proceduresList = new List <MedicalHistory>();
//ProcedureStartDateTime
var proceduresNodes = cdaDocument.SelectNodes(_documentXPaths.Get("Procedures"));
if (proceduresNodes != null)
{
foreach (XmlElement procedureNode in proceduresNodes)
{
var proceduresItem = new MedicalHistory
{
MedicalHistoryItemType = MedicalHistoryType.Procedure
};
// Procedure name
proceduresItem.MedicalHistoryItem = cdaDocument.GetRelativeCode(procedureNode, _documentXPaths.Get("ProcedureName"));
// Procedure Comment
proceduresItem.Comment = cdaDocument.GetString(procedureNode, _documentXPaths.Get("ProcedureComment"));
// Date/time started
var startedDateTime = cdaDocument.GetDateTimeValue(procedureNode, _documentXPaths.Get("ProcedureStartDateTime"));
if (startedDateTime.HasValue)
{
proceduresItem.Interval = new Interval
{
Start = startedDateTime
};
}
proceduresList.Add(proceduresItem);
}
}
return(proceduresList.Any() ? proceduresList : null);
}
private IList <MedicalHistory> LoadProblemDiagnosis(CdaXmlDocument cdaDocument)
{
IList <MedicalHistory> problemDiagnosiList = new List <MedicalHistory>();
var problemDiagnosisNodes = cdaDocument.SelectNodes(_documentXPaths.Get("ProblemDiagnosis"));
if (problemDiagnosisNodes != null)
{
foreach (XmlElement problemNode in problemDiagnosisNodes)
{
var proceduresItem = new MedicalHistory
{
MedicalHistoryItemType = MedicalHistoryType.ProblemDiagnosis
};
// Problem Diagnosis Identification
proceduresItem.MedicalHistoryItem = cdaDocument.GetRelativeCode(problemNode, _documentXPaths.Get("ProblemDiagnosisIdentification"));
// Problem Diagnosis Comment
proceduresItem.Comment = cdaDocument.GetString(problemNode, _documentXPaths.Get("ProblemDiagnosisComment"));
// Medical History Type
proceduresItem.ProblemDiagnosisType = cdaDocument.GetRelativeCode(problemNode, _documentXPaths.Get("ProblemDiagnosisType"));
// Problem Diagnosis Date Of Onset
var onsetDateTime = cdaDocument.GetDateTimeValue(problemNode, _documentXPaths.Get("ProblemDiagnosisDateOfOnset"));
// Note: Date Of Resolution Remission has been mapped to a Date in the SCS even though it is an Interval.
// There therefore is a need to check the LOW, HIGH and VALUE in that order and return the interval high value for the MedicalHistory Interval.
DateTime?dateOfResolution = null;
// Get Date Of Resolution Interval
var dateOfResolutionInterval = cdaDocument.GetInterval(problemNode, _documentXPaths.Get("ProblemDiagnosisDateOfResolutionRemission"));
if (dateOfResolutionInterval != null)
{
if (dateOfResolutionInterval.Start.HasValue)
{
dateOfResolution = dateOfResolutionInterval.Start;
}
if (dateOfResolutionInterval.End.HasValue)
{
dateOfResolution = dateOfResolutionInterval.End;
}
}
if (!dateOfResolution.HasValue)
{
// Get Date Of Resolution Attribute Value
dateOfResolution = cdaDocument.GetDateTimeValue(problemNode, string.Format("{0}{1}", _documentXPaths.Get("ProblemDiagnosisDateOfResolutionRemission"), "/@value"));
}
if (onsetDateTime.HasValue || dateOfResolution.HasValue)
{
proceduresItem.Interval = new Interval
{
Start = onsetDateTime.HasValue ? onsetDateTime : null,
End = dateOfResolution.HasValue ? dateOfResolution : null
};
}
problemDiagnosiList.Add(proceduresItem);
}
}
return(problemDiagnosiList.Any() ? problemDiagnosiList : null);
}