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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">ELECTROCARDIOGRAFIA</topic></authority><related type="narrower"><topic>ELECTROCARDIOGRAFIA AMBULATORIA</topic></related><related type="narrower"><topic>VECTORCARDIOGRAFIA</topic></related><related type="other"><topic>CORAZON</topic></related><related type="broader"><topic>ELECTRODIAGNOSTICO</topic></related><variant type="other"><topic>ECG</topic></variant><variant type="other"><topic>EKG</topic></variant><variant type="other"><topic>Electrocardiogramas</topic></variant></mads>