emergency	sudden accident
to be seriously/severely injured	to be badly/gravely wounded
to be badly/gravely wounded	to be seriously/severely injured
severe/serious	grave .../...
paramedic	in other words medical orderly
end in disaster	it means that something end in catastrophe
be back in the game	to be active again
recover	to become fit or healthy again after an illness or injury
react emotionally	to respond feelingly to something
give sb a helping hand	to help somebody, podać komuś pomocną dłoń