The following OEM and aftermarket products are compatible with the E-18 from Embra Medical. The E-18 Advanced ECG Machine is just one of the units that Master Medical Equipment offers from the Embra Medical line. With the newly-designed sampling box, it facilitates to do a standard 12-lead ECG, and also easily conduct an expanded leads ECG examination of 15/16/18 leads with additional pluggable lead-wires. MME will continue to support the lifespan of your unit with quality accessories as well as premium preventive maintenance services through ReNew Biomedical. For more about servicing your devices, Contact ReNew Biomedical here . Please note that different configurations of units may make them incompatible with certain accessories. If you should have any questions, please contact your MME customer representative or get in contact with one here: 866-468-9558