Automatic External Defibrillator - AED Level 2 (VTQ)

60 videos, 3 hours and 15 minutes

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AED demo for units without CPR help

Video 31 of 60
3 min 10 sec
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Guide to Using the HeartSine 350 AED

Overview of the HeartSine 350 AED

Unlike the HeartSine 500, the HeartSine 350 AED does not offer CPR assistance. This guide will take you through the process of using this AED model during an emergency.

Initiating the AED Process

  • Start the AED: Turn on the HeartSine 350 and listen to the voice prompts.
  • Prepare the Patient: Expose the patient's chest to ensure direct skin contact for the pads.

Applying AED Pads

  • Remove the pads from the package, following the instructions on the liner.
  • Apply pads to the bare chest, as indicated in the accompanying picture.
  • Ensure pads are pressed firmly onto the patient's skin.

Analyzing Rhythm and Delivering a Shock

  • The AED will automatically analyze the heart rhythm once pads are correctly applied.
  • Stand clear of the patient during analysis and shock delivery.
  • If advised, press the orange shock button.

Performing CPR

  • Begin CPR in sync with the metronome provided by the AED.
  • Ensure compressions are of adequate depth (5-6 cm) and fully release after each compression.
  • Continue until the AED indicates another analysis or until medical help arrives.

Key Differences from CPR-Assist AEDs

  • The HeartSine 350 does not provide direct feedback on the quality of CPR.
  • Users must focus on maintaining the correct rhythm and depth of compressions.


The HeartSine 350 AED is an effective tool in emergencies, especially when used correctly and promptly. Understanding its operation and limitations is crucial for effective emergency response.