27
Yellow alerts
Device
• Recommended replacement
• Magnetic resonance imaging
(MRI) mode
Lead
• Right atrial (RA)/RV/left ventricular (LV)
▶ Pacing impedance out of range
▶ Pacing threshold out of range
Therapy
• Single shock delivered
• ATP delivered
Pacing
• RV pacing > programmed value
• CRT pacing < programmed value
Arrhythmias
• AF burden > programmed value
• Ventricular rate in atrial arrhythmia
> programmed value
• Non-sustained ventricular tachycardia
(NSVT) in select patients
Yellow alerts
Device
• Recommended replacement
• MRI mode
• In non-PM-dependent patients:
▶ Low battery voltage
▶ Device reset or in safety mode
Lead
• RA/RV/LV
▶ Pacing impedance out of range
▶ Pacing threshold out of range
• Noise episode (non-PM dependent)
Arrhythmias
• AF burden > programmed value
• Ventricular rate in atrial arrhythmia
> programmed value
• NSVT in select patients
Pacing
• RV pacing > programmed value
• CRT pacing < programmed value
Yellow alerts
Battery repletion or reset
Bradycardia
• ≤30 bpm (without complete heart
block)
• Asystole/pause ≥ 3 seconds
Arrhythmias
• AF > 6 min with indication other than
cryptogenic stroke
Tachycardia
• 16 beats > 180 bpm
Red alerts are defined as critical alerts requiring urgent review. Yellow alerts are those that, with
early review, may lead to an action that impacts patient outcomes.
