Ejemplo de lectura xml de BD

<result>
    <idmensaje>12345678</idmensaje>
    <mensajehl7>MSH|^~\&amp;|HIS|HOSPITAL|BBANK|EXTERNO|20190429090131||OMB^O27^OMB_O27|12345678|P|2.5|||AL|NE||8859/1
PID|1||21112222^^^HIS^PI^^^^2828&amp;&amp;~SHJD310801911024^^^MS^HC^^^^ESP&amp;&amp;ISO3166~1110001100^^^CA13^JHN^^^^CL&amp;&amp;ISO3166-2~22221111^^^MI^NNESP^^^^ESP&amp;&amp;ISO3166~22/00000001/01^^^SS^SS^^^^ESP&amp;&amp;ISO3166||LEE^SHELDON|COOPER|19800226|M|||CL&amp;ERNESTO GUEVARA&amp;202^CENTRO SALUD^28078^28^28048^ESP^H^MADRID~&amp;&amp;^^^^^ESP^M^||^PRN^PH^^^^^^^^^666112233
PV1|1|I|^^405C^||||666^OCHOA^SEVERO^DE ALBORNOZ^^^^|||MIN|||||||||12345^^^^^||||||||||||||||||||||||||||||||
SPM|1|11234556
ORC|NW|11234556|11111222||||||20190429090000|OCHOA, SEVERO|OCHOA, SEVERO|6145^OCHOA^SEVERO^DE ALBORNOZ||||||OCHOA, SEVERO
BPO|CHEM^Concentrado de Hematíes|2||2||20190428200001|P121^^^^||20190428211001|P121^^^^||||
BPO|PQ^Pool Plaquetas|1||1||201904281200001|P121^^^^||20190428211001|P121^^^^||||
</mensajehl7>
</result>