MRX Hospital ECG Monitoring Add to cart Cable ECG 5-Lead Limb Snap for Philips HeartStart MRx/XL/XL+ Monitor/Defibrillators$104.00 Add to cart Cable 5-Lead Ruggedized EMS Set, Snap, Shielded (AAMI), Chest Set for Philips HeartStart MRx Monitor/Defibrillators$140.00