This subtopic equips learners with the essential knowledge and practical skills to perform adult basic life support in line with Resuscitation Council (UK)
Topic Synopsis
This subtopic equips learners with the essential knowledge and practical skills to perform adult basic life support in line with Resuscitation Council (UK) guidelines, including the safe and effective use of an automated external defibrillator. It covers the chain of survival, initial assessment using the DRSABCD approach, high-quality cardiopulmonary resuscitation, and post-resuscitation care, preparing learners to respond confidently in emergency situations.
Key Concepts & Core Principles
- Chain of Survival: Early recognition, early CPR, early defibrillation, and post-resuscitation care. Each link is vital for increasing survival chances.
- DRABC Algorithm: Danger (check for hazards), Response (check consciousness), Airway (open using head-tilt chin-lift), Breathing (look, listen, feel for up to 10 seconds), Circulation (start CPR if not breathing normally).
- High-Quality CPR: Compressions at a rate of 100-120 per minute, depth of 5-6 cm, allowing full chest recoil, and minimising interruptions. Ratio of 30 compressions to 2 rescue breaths.
- AED Operation: Turn on, attach pads to bare chest (one below right collarbone, one on left side below armpit), follow voice prompts, ensure no one touches the casualty during analysis or shock delivery.
- Recovery Position: For unconscious casualties who are breathing normally, to maintain an open airway and reduce risk of aspiration.
Exam Tips & Revision Strategies
- During practical assessment, verbalise each step clearly, especially when checking for danger, calling for help, and confirming the casualty is unresponsive and not breathing normally.
- Use a metronome or practice counting aloud to maintain the correct compression rate; aim for two compressions per second and allow complete recoil after each.
- When using an AED, always state 'stand clear' before analysing and delivering a shock, and ensure no one is touching the casualty.
- Familiarise yourself with the specific AED model used in training and assessment, noting the layout of pads and any additional features like paediatric mode switches.
- Remember that in adult BLS, if you are unable to give rescue breaths, continuous chest compressions at 100-120 per minute are still beneficial; prioritise early defibrillation with an AED.
Common Misconceptions & Mistakes to Avoid
- Failing to assess for danger or missing the initial shout for help, leading to an unsafe approach.
- Incorrect hand placement during chest compressions (e.g., too low over the xiphoid process) or incomplete chest recoil due to leaning on the chest.
- Compression rate too fast or too slow, or insufficient compression depth due to fear of causing injury.
- Forgetting to ensure the casualty is on a firm, flat surface before commencing CPR, or attempting AED pad placement over clothing or a wet chest.
- Placing AED pads incorrectly (e.g., too close together) or failing to clear the area during shock delivery.
- Neglecting to provide rescue breaths or providing them too forcefully, causing gastric inflation, rather than ensuring a good seal and slow breath delivery.
Examiner Marking Points
- Award credit for demonstrating a systematic approach following the DRSABCD action plan, including scene safety assessment and calling for help.
- Award credit for performing high-quality chest compressions at a rate of 100-120 per minute, depth of 5-6 cm, with full chest recoil and minimal interruptions.
- Award credit for correctly operating an AED, including pad placement (anterior-lateral), following voice prompts, ensuring safety during shock delivery, and resuming CPR immediately after shock.
- Award credit for effective rescue breaths using a pocket mask or barrier device, ensuring visible chest rise and a compression-ventilation ratio of 30:2.
- Award credit for verbalising the recovery position for an unconscious, breathing casualty, demonstrating correct hand placement and airway maintenance.