We often hear the phrase: “So-and-so died… he died suddenly” from time to time, and whenever we hear it, it arouses fear and pity in us from this sudden visitor who does not accept excuses, and comes without apparent introductions that indicate him until he gives us the opportunity to confront him or resist him, and in fact it is not the matter Surprising, but it is the nature of some diseases that can sneak into the body without any visible initial symptoms, and are only discovered in the late stages of the disease. Where no treatment is available.