Philips HeartStart MRx Defibrillator with ECG, Pacer & Printing Options is a top‑tier advanced cardiac resuscitation device engineered to support healthcare professionals in critical care, emergency medical services (EMS), hospital environments, and transport settings.
Combining a powerful ALS monitor/defibrillator system with comprehensive rhythm analysis, pacing, and high‑resolution ECG monitoring, this unit enables rapid intervention in sudden cardiac arrest, arrhythmias, and other life‑threatening cardiac events.
Designed for clinical reliability, seamless monitoring, and efficient workflow integration, the MRx is trusted by emergency teams and critical care units worldwide.
Elite Clinical Performance for Critical Cardiac Care
Advanced Defibrillation & Resuscitation Therapy
The HeartStart MRx offers flexible defibrillation therapy with manual and automated external defibrillation (AED) capabilities, making it adaptable to a wide range of clinical scenarios. In manual mode, clinicians can select energy levels from 1 to 200 Joules, delivering biphasic waveform shocks tailored to patient impedance for efficient cardioversion or ventricular fibrillation management. In AED mode, the unit delivers a single 150‑Joule shock with built‑in shock advisory support, guiding rescuers through automated lifesaving sequences.
This dual‑mode therapy provides flexibility for structured resuscitation protocols, ensuring fast and accurate shock delivery when every second counts.
Integrated ECG & Multiparameter Monitoring
The HeartStart MRx integrates comprehensive ECG monitoring, supporting 3‑, 5‑, and 12‑lead ECG acquisition to visualize cardiac rhythm and enable real‑time analysis of complex conditions. It supports advanced algorithms such as DXL™ for optimized cardiac interpretation and STEMI decision support, aiding rapid clinical decision‑making during acute myocardial events.
Beyond ECG, this multiparameter patient monitor can be configured with options such as:
- Pulse oximetry (SpO₂)
- Non‑invasive and invasive blood pressure (NIBP/IBP)
- Microstream® capnography (EtCO₂)
- Continuous temperature and vital sign trends
This flexibility makes it an essential critical care monitor and multi‑parameter monitor for emergency departments (ED), intensive care units (ICU), cardiac care units (CCU), and inter‑facility transport
Precision Pacing & Advanced Life Support (ALS)
For patients presenting with bradycardia or symptomatic slow rhythms, the HeartStart MRx provides non‑invasive pacing therapy with adjustable current pulses that support both demand and fixed pacing modes. This pacing capability is essential during advanced cardiac life support and stabilizing patients in peri‑arrest conditions
High‑Resolution Display & Intuitive Interface
Equipped with a large 8.4‑inch colour TFT LCD, the HeartStart MRx shows multiple waveforms and numeric data on one screen, giving clinicians clear visibility of vital parameters at a glance. The intuitive interface supports easy navigation between monitoring views, shock delivery settings, and ECG displays—all designed to reduce cognitive load during high‑pressure situations
Real‑Time CPR Feedback & Performance Guidance
This monitor/defibrillator supports real‑time CPR measurement and quality feedback, helping rescuers optimize compression depth and rate to achieve high‑quality resuscitation according to clinical best practices. Quality CPR feedback is a critical component of improved out‑of‑hospital and in‑hospital resuscitation survival rates.
Data Recording & Integrated Printing Capabilities
A built‑in thermal strip chart recorder provides continuous documentation of the primary ECG lead, annotated events, and operational logs. The MRx prints both real‑time events and post‑event summaries, which are invaluable for clinical documentation, case review, and quality assurance processes. Paper widths of 50 mm or optional 75 mm are supported for comprehensive recording.
The device also stores up to 12 hours of waveform and event data and can deliver detailed patient reports through internal memory or optional data card storage for further analysis or export.
Durability & Reliability You Can Trust
Built to withstand the demands of mobile emergency response and hospital critical care settings, the HeartStart MRx is lightweight yet robust. Designed to endure vibration, mechanical shock, and harsh environments, this defibrillator monitor meets stringent safety and performance standards required in clinical practice.
Wide Clinical Applications
Suitable for:
- Emergency Medical Services (EMS) & Ambulance Teams
- Hospital Emergency Rooms & Critical Care Units
- Cardiac Care Units & Operating Theatres
- Inter‑Hospital Transport & Mobile Critical Care
- Advanced Cardiac Life Support (ACLS) Teams
The Philips HeartStart MRx is a versatile tool for any environment that demands rapid response and comprehensive cardiac monitoring.
Product Specifications at a Glance
Model: HeartStart MRx (commonly M3535A / M3536A)
Defibrillation: Biphasic Truncated Exponential waveform
Energy Output: 1–200 Joules in manual mode; 150 Joules in AED mode
Display: 8.4” colour TFT LCD with multi‑waveform view
Monitoring: ECG (3‑, 5‑, 12‑lead), SpO₂, NIBP, IBP, EtCO₂, temperature (optional)
Pacing: Non‑invasive transcutaneous pacing (optional)
Printer: Integrated thermal strip chart recorder (50 mm / 75 mm)
Connectivity: Optional wireless/LAN/Bluetooth for data transfer
Battery: Rechargeable lithium‑ion with rapid charge and self‑test features
Frequently Asked Questions
What is the primary use of the Philips HeartStart MRx Defibrillator?
The MRx is an advanced monitor/defibrillator system used by trained medical personnel to deliver defibrillation, ECG monitoring, pacing, and resuscitation support in emergency and critical care environments.
Can this device be used both manually and automatically?
Yes. It supports manual defibrillation, AED mode, and optional pacing, making it flexible for ACLS protocols and structured resuscitation workflows.
What monitoring parameters are supported?
Depending on configuration, it supports ECG (3‑, 5‑, 12‑lead), SpO₂, non‑invasive and invasive blood pressure, EtCO₂, and temperature monitoring
Does the MRx provide CPR feedback?
Yes. The unit is equipped with real‑time CPR quality guidance tools, which measure compression depth and rate to assist rescuers during performance.
What makes this defibrillator suitable for EMS and hospitals?
Its durable design, multi‑parameter monitoring, high‑resolution display, rapid shock delivery, and robust data recording capabilities make it ideal for both pre‑hospital emergency care and in‑hospital critical care teams
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