The Medilog AR Holter system, featuring a shock- and splash-proof design and dual-battery concept, locates atrial fibrillation in zero seconds, analyses respiratory episodes and shows high-resolution HRV. The Holter recorder features a superior resting ECG grade 32,000Hz sampling rate on three channels, and scans for atrial fibrillation and atrial flutter by directly looking for P-waves, just as a cardiologist would.