Sudden Cardiac Arrest (SCA): A sudden, unexpected loss of heart function resulting in the cessation of effective blood circulation.

Ventricular Fibrillation (VF): A chaotic, rapid heartbeat which can lead to SCA.

Arrhythmia: Irregular heartbeat, which can be too slow, too fast, or erratic.

Asystole: The absence of any electrical activity in the heart, often referred to as a "flat line."

Chain of Survival: Critical actions that improve the chance of survival from cardiac arrest.

Cerebral Perfusion: The process of delivering blood to the brain tissue.

Brain Ischemia: A condition where insufficient blood flow is reaching the brain.

Defibrillation: The act of delivering an electrical shock to the heart to reset its rhythm.

Neurological Outcome: A measure of brain function and health following a cardiac event.

Advanced Cardiac Life Support (ACLS): A series of advanced medical protocols for the urgent treatment of cardiac arrest and other medical emergencies.

Cardiogenic Shock: A state where the heart cannot pump enough blood to meet the body's demands.

Pulseless Electrical Activity (PEA): A condition where the heart's electrical rhythm suggests a pulsing rhythm, but no effective heartbeat or pulse can be felt.

CPR Induced Consciousness: When a patient regains consciousness during CPR but still has no effective pulse.

Return of Spontaneous Circulation (ROSC): The restoration of a pulse and effective blood flow to the body after cardiac arrest.

Post-Cardiac Arrest Syndrome: A complex set of pathological processes that occur after the return of spontaneous circulation (ROSC) following cardiac arrest.

Hypothermia Protocol: A medical treatment that involves cooling the body to improve neurological outcomes post-cardiac arrest.

Time to Defibrillation: The time between the onset of SCA and the delivery of the first defibrillating shock.

Bystander Intervention: Immediate assistance provided by a layperson at the scene of a medical emergency.

Resuscitation: The process of reviving someone from unconsciousness or apparent death.

Automated External Defibrillator (AED): A portable device that checks heart rhythm and can send an electric shock to restore normal rhythm.

Electrode Pads: Adhesive pads that detect heart rhythm and deliver the defibrillating shock.

Pediatric Pads: Specialized electrode pads designed for use on children and infants eight years of age or younger, or who weigh less than 55 pounds.

Infant/Child Key: Specialized key used with Philips AEDs designed to lower the energy output for use on children.

Biphasic Shock: A type of defibrillating shock where the electric current flows in two directions.

Joules: A joule represents the amount of electrical energy an AED delivers to the heart during a shock.

Voice Prompts: Automated instructions provided by the AED to guide the user.

Self-Testing: Periodic automated checks that AEDs perform to ensure they are functional.

Event Data: Information recorded by the AED during its use, such as heart rhythms and delivered shocks.

Standby Mode: The state when the AED is powered on and ready for use but not yet delivering a shock.

Analysis Mode: When the AED checks the heart rhythm to determine if a shock is needed.

Shock Advisory: The AED's recommendation about whether or not to deliver a shock.

Battery Expiry: The date when the AED battery is expected to run out and should be replaced.

Post-Event Data Review: Analyzing the data from the AED after its use to understand the nature of the emergency and the device's performance.

Public Access Defibrillation (PAD) Program: A system to make AEDs available in public places.

Rescue Ready: The status indicating that the AED has passed its self-tests and is ready for use.

Single-Use Items: Components of the AED, like electrode pads, that need replacement after one use.

CPR Feedback: Some AEDs offer real-time feedback on the quality of CPR being provided.

Synchronization: Some AEDs synchronize the delivery of the shock with the patient's heart rhythm to maximize efficacy and safety.

Charging Time: The time an AED takes to charge up before delivering a defibrillating shock.

Service Life: The expected functional lifespan of the AED device.

Device Recall: When a specific model or batch of AEDs is identified as having potential issues and is called back by the manufacturer for inspection or replacement.

Cardiopulmonary Resuscitation (CPR): A life-saving technique used during cardiac arrest to maintain circulation and oxygenation.

Compression-Only CPR: A form of CPR focusing only on chest compressions without giving rescue breaths.

Rescue Breaths: Breaths provided during CPR to supply oxygen to the lungs of the patient.

Compression Depth: The recommended depth to which the chest should be compressed during CPR.

Compression Rate: The recommended speed or frequency of compressions during CPR.

Chest Recoil: Allowing the chest to return to its original position after each compression.

AHA Guidelines: Recommendations for CPR provided by the American Heart Association.

Airway Obstruction: A blockage that prevents air from reaching the lungs.

CPR Barrier Devices: Tools like face shields or pocket masks used to give rescue breaths while minimizing direct contact.

Advanced Airway: Medical devices such as endotracheal tubes or laryngeal masks used to maintain an open airway during prolonged resuscitation.

CPR Certification: A recognition that an individual has been trained and assessed in CPR and meets the required standards.

Hands-Only CPR: A version of CPR that focuses solely on chest compressions without rescue breaths.

Foreign Body Airway Obstruction (FBAO): When a foreign object blocks the airway, leading to choking.

High-Quality CPR: CPR that meets the recommended guidelines for rate, depth, and minimal interruptions.

CPR for Infants: Specialized guidelines for performing CPR on babies under 1 year of age.

2-Rescuer CPR: A technique where two rescuers work together, one performing compressions and the other giving rescue breaths.

Compression-to-Ventilation Ratio: The recommended number of compressions for each set of rescue breaths given during CPR.

AED Integration: The timely use of an AED in conjunction with CPR.

Cycle of CPR: A set sequence of actions, typically involving a specific number of compressions and breaths.

End-Tidal CO2 Monitoring: Measuring the amount of carbon dioxide in exhaled air to assess the effectiveness of CPR.

Program Coordinator: An individual responsible for managing and maintaining an organization's AED program.

Site Assessment: Determining the best locations for AED placement based on potential risk factors and accessibility.

AED Policy and Procedures: Organizational guidelines outlining how AEDs should be used, maintained, and tracked.

Device Registration: Informing local EMS and regulatory bodies about the presence and location of AEDs.

Training Compliance: Ensuring that individuals are adequately trained to use AEDs.

Maintenance Checks: Regular inspections to ensure AEDs are operational and ready for use.

Battery and Pad Replacement: Keeping track of and replacing expired or used AED components.

AED Drills: Simulated emergency scenarios to practice and evaluate AED deployment and use.

Post-Event Reporting: Documenting and analyzing the details after an AED has been used in an emergency.

Data Download: Extracting information from an AED after its use to understand the event and device performance.

Community Outreach: Promoting awareness and understanding of AEDs in the community or organization.

Medical Oversight: Having a healthcare professional involved in the AED program to provide guidance and review.

Program Audit: A comprehensive review of the AED program to ensure compliance with guidelines and best practices.

Funding and Budgeting: Managing the financial aspects of acquiring and maintaining AEDs.

Program Expansion: Adding more AEDs or expanding the program to cover more areas or facilities.

Recall Management: Addressing manufacturer recalls by inspecting or replacing affected devices.

Liability and Risk: Understanding potential legal risks associated with the AED program and taking steps to mitigate them.

Stakeholder Communication: Keeping all relevant parties informed about the AED program and its developments.

Program Renewal: Regularly updating and renewing the AED program based on new guidelines, feedback, and experiences.

Feedback and Improvement: Collecting feedback about the AED program and implementing changes for continuous improvement.

Basic Life Support (BLS): A level of medical care used for victims of life-threatening illnesses or injuries until they can be given full medical care.

Cardiopulmonary Resuscitation (CPR): A life-saving technique used during cardiac arrest to maintain circulation and oxygenation.

Automated External Defibrillator (AED): A device used to recognize life-threatening cardiac arrhythmias and deliver shocks to restore normal rhythm.

Hands-Only CPR: A version of CPR that excludes rescue breaths and emphasizes chest compressions alone.

Rescue Breaths: Breaths provided to the patient, either mouth-to-mouth or through a barrier device.

Compression Depth/Rate: Refers to how deep and how fast chest compressions should be during CPR.

Heimlich Maneuver: A first aid procedure used to treat upper airway obstructions by foreign objects.

Recovery Position: A position, typically on the side, to help keep the airway clear and open.

First Aid Kit: A collection of supplies and equipment used to give first aid.

Choking: A blockage of the airway preventing proper breathing and requiring immediate intervention.

ABCs of First Aid: An acronym for Airway, Breathing, and Circulation - the primary things to check in an emergency.

Barrier Devices: Tools like face shields or masks used during CPR to reduce direct contact.

Scene Safety: The initial step in any rescue scenario, ensuring that the area is safe for both the rescuer and the victim.

Chain of Survival: A series of steps that maximize the chance of survival after cardiac arrest.

Certification: A formal acknowledgment that an individual has been trained and assessed in AED/CPR/First Aid and meets the required standards.

Instructor-Led Training: Training led by a certified individual, often involving both theoretical lessons and hands-on practice.

Blended Learning: A mix of online coursework and in-person hands-on training.

Manikin: A model of the human body used in training for practice, especially in CPR.

Simulation: A mock scenario used in training to practice and test skills in a controlled environment.

Aftercare: Steps taken after an emergency situation has been addressed, such as comforting the victim, seeking additional medical attention, or providing emotional support.