# Posttraumatic stress disorder

What is posttraumatic stress disorder (PTSD)? PTSD's a type of mental health condition that can happen after experiencing a traumatic event. This video covers the definition, diagnostic criteria, associated biological factors, and symptoms of PTSD.

Sources:

First Aid

- Kind: Short
- Year: 2016
- Runtime: 5 min
- By: Osmosis
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Posttraumatic_stress_disorder.webm)
- Licence or status: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0) (as the archive states it)
- Credit: Osmosis
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/51582230?play=1)