Group 1: Cardiac Arrest First Aid - The golden time for first aid in cases of cardiac arrest is within 4 to 6 minutes, which significantly increases the survival rate of patients [1] - Basic CPR skills are not considered specialized skills, and public first aid training typically includes this knowledge, supported by legal protections for good Samaritans under the Civil Code [1] - The correct steps for first aid include assessing consciousness and breathing, calling for help, performing chest compressions, and using an AED if available [2][3] Group 2: Fainting First Aid - Common misconceptions about fainting first aid include methods like "pinching the middle" or "giving water," which are not scientifically supported and may worsen the condition [4] - Fainting is a sudden, brief loss of consciousness that typically lasts from seconds to minutes, distinct from dizziness or coma [4] - Common causes of fainting include orthostatic hypotension, abnormal neural reflexes, cardiac issues, and neurological factors [5][6][7] Group 3: Prevention and Medical Attention - To prevent fainting, individuals should rise slowly from sitting or squatting positions and seek support if feeling dizzy [8] - It is crucial to seek medical attention after fainting, especially if episodes occur frequently, to rule out underlying health issues [8]