NCIt definition : An electrocardiographic finding of a QRS amplitude less than or equal to 0.5 mV in
the limb leads or QRS amplitude less than or equal to 1 mV in the precordial leads.
(CDISC);
Alternative definition : CDISC: An electrocardiographic finding of a QRS amplitude less than or equal to 0.5
mV in the limb leads or QRS amplitude less than or equal to 1 mV in the precordial
leads.;