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Medtronic AZURE MRI SURESCAN User Manual

Medtronic AZURE MRI SURESCAN
162 pages
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AZURE™ MRI SURESCAN™ / ASTRA™ MRI
SURESCAN™
MR Conditional implantable pacemakers with SureScan™ technology
Reference Manual
Caution: Federal law (USA) restricts this device to sale by or on the order of a physician.
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Medtronic AZURE MRI SURESCAN Specifications

General IconGeneral
ModelAZURE MRI SURESCAN
ManufacturerMedtronic
CategoryMedical Equipment
MRI ConditionalYes
TelemetryYes
Sensing ModesAtrial and Ventricular sensing
Battery TypeLithium
Battery LifeApproximately 10 years
TherapyPacing
Pacing ModesDDD, VVI, AAI

Summary

1 Introduction

1.1 About the product literature

Describes operation and intended use of Medtronic Azure and Astra MRI SureScan pacemakers.

1.2 Device features per model

Table detailing feature availability within Astra MRI SureScan and Azure MRI SureScan device families.

2 Patient follow-up guidelines

2.1 In-clinic follow-up appointments and remote monitoring

Guidelines for scheduling in-clinic and remote follow-up appointments for patients.

2.2 Optimizing device longevity

Strategies to reduce energy requirements on the device battery to optimize longevity.

3 Diagnostic data features

3.1 Quick Look II summary data

Overview of system operation and patient's condition, including device/lead status, pacing, and arrhythmia data.

3.2 Medtronic CareAlert Monitoring

Automatic alert data transmission for clinical management and system performance events.

3.10 Device and lead performance data

Automatic measurement and recording of device and lead performance data daily.

4 Pacing features

4.1 Sensing

Ensuring effective sensing of cardiac events while avoiding oversensing for appropriate therapy delivery.

4.2 Basic pacing

Information on pacing and sensing operations for various cardiac conditions.

4.5 Managed Ventricular Pacing (MVP)

Atrial-based pacing mode that switches to dual chamber pacing during AV block.

4.6 Rate Response

Adapts pacing rate to changes in patient's physical activity using an activity sensor.

4.7 Capture Management

Monitors and adjusts pacing thresholds to maintain myocardial capture and optimize longevity.

4.9 Auto PVARP

Adjusts Post-Ventricular Atrial Refractory Period based on patient's heart rate changes.

4.10 Rate Drop Response

Monitors heart for significant rate drops and responds by pacing at an elevated rate.

4.17 Mode Switch

Switches pacing mode to nontracking during atrial tachyarrhythmia and restores it after.

4.20 Atrial Preference Pacing

Maintains consistent activation sequence by providing pacing matched to intrinsic sinus rate.

4.22 Ventricular Rate Stabilization

Adjusts ventricular intervals to eliminate long pauses following a premature ventricular contraction.

5 Tachyarrhythmia detection features

5.1 AT/AF detection

Analyzes atrial rate and its effect on ventricular rhythm to detect atrial tachyarrhythmias.

5.2 VT Monitor

Monitors episodes with ventricular rates within a programmable VT Monitor rate zone.

5.3 Suspending and resuming tachyarrhythmia detection

Procedures for temporarily disabling and re-enabling tachyarrhythmia detection.

6 Tachyarrhythmia therapy features

6.1 Atrial therapy scheduling

Enables programming of automatic atrial therapies for AT/AF episodes.

6.2 Atrial ATP therapies

Delivers atrial antitachycardia pacing (ATP) to interrupt atrial tachycardia.

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