What is the difference between "lucid interval" and "delayed onset"?

[Saladin MD]

What is the difference between "lucid interval" and "delayed onset"? FA says that epidural hemorrhage has a "lucid interval" and subdural hemorrhage has "delayed onset", so what is the difference?

Thanks.

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[rock_climber]

i think that lucid interval in EDH is after the injury you have a period of time when you recover consciousness before you pass out and die. delayed onset is what it says - you get punched in the back of the head during a bar fight, you kick the guy's ass, and your SDH begins and expands over a period of time and in the end, he wins the fight.

 

[Saladin MD]

i think that lucid interval in EDH is after the injury you have a period of time when you recover consciousness before you pass out and die. delayed onset is what it says - you get punched in the back of the head during a bar fight, you kick the guy's ass, and your SDH begins and expands over a period of time and in the end, he wins the fight.

Thanks. lol @ your example

So 'lucid interval' means you lose consciousness, recover (lucid interval), and then lose consciousness again?

 

[rock_climber]

yes and i can't take credit for the bar fight example - this was straight out of a CSI episode a few seasons back!

 

[Saladin MD]

k thanks man.