The desfibrilador sound comes from recordings of real automated external defibrillators, medical devices used to restart a heart with an electric shock. Short charge and discharge clips like this spread on soundboards and in video editing packs because the audio alone tells a complete story of collapse and revival. Creators in Spanish and English speaking communities share it under the Spanish name, and it remains popular for gaming revives, hospital sketches and meme edits where a character needs to be brought back instantly.