<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>19260</termId><termName>Arritmia</termName><termType>PT</termType><termCreatedDate>2014-09-15 20:05:57</termCreatedDate><relation><relationType>BT</relationType><termId>19259</termId><termName>Corazón-Enfermedades</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>19263</termId><termName>Arritmia en niños</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>19261</termId><termName>Fibrilación auricular</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>19262</termId><termName>Fibrilación ventricular</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>2971</termId><termName>Ritmo cardíaco</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>5500</termId><termName>Antiarrítmicos</termName><termType>PT</termType></relation></term>  </Zthes>