The Norav S2+D1 - Stress Test + Patient Database Software Bundle is a cardiac stress testing system for graded exercise ECG evaluation. Acquires simultaneous 12-lead ECG during treadmill or ergometer exercise with real-time ST-segment monitoring and arrhythmia detection. Built-in protocols include Bruce, Modified Bruce, Naughton, and custom programmable exercise stages. Integrated report generation with automatic interpretation supports cardiology workflow from test initiation to physician sign-off.