An Electrocardiography cable bundle, comprising: a plurality of signal leads having proximal ends and distal ends, wherein the plurality of signal leads further comprise resistor pairs disposed at different locations, tuned for specific magnetic resonance imaging energy; a plurality of electrodes electrically coupled to the distal ends of the plurality of signal leads, each of the plurality of electrodes being electrically coupled to a different one of each of the plurality of signal leads; at least one of a plurality of fastening mechanisms made of carbon fiber attached to each of the distal ends of the plurality of signal leads via a copper to carbon fiber splice connection; a yoke electrically and mechanically coupled to a first end of a cable trunk; a plurality of connectors disposed at the proximal ends of the plurality of signal leads, the plurality of connectors electrically and mechanically coupled to the yoke; a proximal connector electrically and mechanically coupled to a second end of the cable trunk; at least one Radio Frequency balun made of non-ferrous material interposed on each of the plurality of signal leads between the plurality of electrodes and the yoke; and at least one RF balun made of non-ferrous material interposed on the cable trunk between the yoke and the proximal connector in series of RF tuned baluns; wherein the plurality of electrodes are made of a porous activated carbon with silver-coated films in contact with a silver-chloride gel; wherein the non-ferrous materials of the plurality of electrodes, plurality of fastening mechanisms, and RF baluns reduce interference and heat generation from magnetic resonance imaging energy a plurality of signal leads having proximal ends and distal ends, wherein the plurality of signal leads further comprise resistor pairs disposed at different locations, tuned for specific magnetic resonance imaging energy; a plurality of electrodes electrically coupled to the distal ends of the plurality of signal leads, each of the plurality of electrodes being electrically coupled to a different one of each of the plurality of signal leads; at least one of a plurality of fastening mechanisms made of carbon fiber attached to each of the distal ends of the plurality of signal leads via a copper to carbon fiber splice connection; a plurality of electrodes electrically coupled to the distal ends of the plurality of signal leads, each of the plurality of electrodes being electrically coupled to a different one of each of the plurality of signal leads; at least one of a plurality of fastening mechanisms made of carbon fiber attached to each of the distal ends of the plurality of signal leads via a copper to carbon fiber splice connection; a yoke electrically and mechanically coupled to a first end of a cable trunk; a plurality of connectors disposed at the proximal ends of the plurality of signal leads, the plurality of connectors electrically and mechanically coupled to the yoke; a proximal connector electrically and mechanically coupled to a second end of the cable trunk; at least one Radio Frequency balun made of non-ferrous material interposed on each of the plurality of signal leads between the plurality of electrodes and the yoke; and a plurality of connectors disposed at the proximal ends of the plurality of signal leads, the plurality of connectors electrically and mechanically coupled to the yoke; a proximal connector electrically and mechanically coupled to a second end of the cable trunk; at least one Radio Frequency balun made of non-ferrous material interposed on each of the plurality of signal leads between the plurality of electrodes and the yoke; and at least one RF balun made of non-ferrous material interposed on the cable trunk between the yoke and the proximal connector in series of RF tuned baluns; wherein the plurality of electrodes are made of a porous activated carbon with silver-coated films in contact with a silver-chloride gel; wherein the non-ferrous materials of the plurality of electrodes, plurality of fastening mechanisms, and RF baluns reduce interference and heat generation from magnetic resonance imaging energy