medical instruments, namely, cardiology monitoring systems consisting of electrophysiology data acquisition sensors, data recorders, data analysis computers, data display devices and application software therefor; cardiopulmonary monitoring and therapy systems consisting of medical exercise devices, data acquisition sensors, data recorders, data analysis computers, data display devices and applications software therefor; ECG management and stress test systems consisting of data acquisition sensors, data recorders, data analysis computers, data display devices and application software therefor; Holter systems consisting of data acquisition sensors, data recorders, data analysis computers, data display devices and application software therefor; telemetry systems for use in transmitting medical data to cardiology monitoring, cardiopulmonary monitoring and therapy, ECG management and stress test, Holter, catheterization laboratory and blood pressure monitoring systems, consisting of data acquisition sensors, data transmitters and receivers, data recorders, data analysis computers, data display devices and application software therefor; catheterization laboratory systems for use in patient diagnosis consisting of hemodynamic data acquisition sensors, data recorders, data imaging and analysis computers, data display devices and application software therefor; defibrillators; blood pressure monitors; cardiology diagnostic apparatus consisting of a CPU, monitor, memory device and application software, all for use in cardiology imaging analysis and diagnosis