GE MAC 5500 HD Resting ECG System **POWERED ON AT TIME OF AUCTION** ** The MAC 5500 HD Resting ECG System is a premier ECG system that delivers advanced disease management capabilities through one of the industry-leading collections of algorithms and advanced networking. GE innovation in ECG acquisition and analysis forms the foundation for the MAC 5500 HD, providing clinicians with a powerful tool to support the detection and management of cardiovascular disease.**