In case you're wondering what happened...
Fighter B tries to attack me!
Attack roll: 12 (+6) = 18
Dodge roll: 9 (+7) = 16
I get hit for...

Damage roll: 5 (+11) = 16 - 8 = 8 damage (11/19 HP). (+bleeding)
I try to bandage up my wound!
Roll: 15 (+7 DEXmod) = 22... I patch it up. (-bleeding)