It would have to be a very serious condition.
4 seconds sound clip from the A Few Good Men movie soundboard.
You can hear this line at 01:15:06 in the Blu-ray version of the movie.
Quote context
[...]
- What might some of those conditions be?
- If a person had a coronary disorder or a cerebral disorder, the process would be more rapid.
- It would have to be a very serious condition.
- There would still be symptoms, though.
- What kind of symptoms? Chest pains? Shortness of breath? Fatigue?
[...]