How does the definition of catastrophic relate to the meaning of the text Guts?

The term catastrophic means involving a sudden and widespread disaster. In the text "Guts" by Chuck Palahniuk, the protagonist's unsettling experience of accidentally disemboweling himself during a swimming pool suction incident can be considered catastrophic due to the shocking and disastrous nature of the event. This catastrophic event serves as a central theme in the story, highlighting themes of mortality, fear, and human resilience.