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The Heartrak Smart AF is a cardio recorder which uses loop memory It assists healthcare providers with the diagnosis and treatment of Atrial Fibrillation (AF). The Smart AF embeds diagnostic algorithms which detect AF, Cardiac Pause, Tachycardia and Bradycardia.

Bandwidth: 0.05 - 40 Hz
Sampling Rate: 256 samples per second
Resolution: 8 bit
Heart Rate Range: 30 to 220 BPM
Leads: One channel producing one lead
Power: Two alkaline AAA batteries (Continuous use, 30 days typical)
Center Frequency: 1900 Hz
Deviation: 100 Hz/mV
Transmission Protocol: 1x or accelerated (3x faster than real time)
Flash Memory: 1800 seconds (30 minutes)
Pre-Activation Memory: 10 - 240 seconds
Post-Activation Memory: 5 - 45 seconds
Number of Events: 1-30
Brady / Tachy Auto Trigger: On / Off
Bradycardia Trigger: 30 - 50 BPM (steps of 5 BPM)
Tachycardia Trigger: 110 - 220 (steps of 5 BPM)
AF Trigger: On / Off
Pause Trigger: 2 - 6 seconds (steps of .5 seconds)
3x Transmission: On / Off
Speaker: On / Off
Pacemaker Detection: On / Off
Lead Loss Alert: On / Off
Lead Preview: On / Off