CT head without AFTER contrast injection

When it comes to CT, how long after contrast injection do you need to wait before you can scan a head WITHOUT, without any venous contamination of the brain.

Edit: An ER Dr. asked me this the other day and I spaced on the answer. The internet doesn’t seem to have a set answer

reddit.com
u/me_and__who — 3 days ago

Just want some feedback as a new photographer

Hey guys, Im new to photography and editing images and Im just looking for some honest feedback about my edit. Thanks

u/me_and__who — 28 days ago
▲ 2 r/Balding+1 crossposts

I need some opinions plz. 28 y/o male

28 y/o male
My temples have been decently receded since I was like 22 or 23 and haven’t budged since, but Im afraid the crown is in the early stage of peacing out. What do ya’ll think

u/me_and__who — 1 month ago

Anybody in Ketchikan wanna learn/practice muay thai?

I just moved here and I don’t know anyone! I have a heavy kick pad if anyone here is interested in learning/practicing/getting a good workout but I need someone to hold it for me. I also just ordered a heavy bag. Please lemme know if anyones interested.

reddit.com
u/me_and__who — 3 months ago

Is this thick enough to grow anything?

I feel like anytime i go 2 weeks without shaving it’s just thin and gross. I’m not sure if letting it grow for longer would be worth it? The mustache also doesn’t connect in the middle

u/me_and__who — 3 months ago