Knee pain!!

I had knee problems for years.
Recent month getting from bad to worse.
On wei Bday , my leg still limbing.
Last week not much probelm.
Who know!!
Wed , helping adnan checking equipment in ward area.
Suddently , sharp pain on the knee again. (no strengh on my rigght knee.)
Then fly down to A&E to see doc.
Do a X-ray and turn out (Doc: Your bone is super fine.Very good)

=.= she is new and never explain what may be the problem then refer me to specialist.

Before i left the door. She say : Try to walk lesser !!!!
THEN HOW I WORK ........ . . . . ... . .. .. . .. . . . . . . . . FAINT !!!!!!!!