Here's how we do it: If someone wants to know how injured someone is, they make a Heal check as a free action vs DC 15. If they make it, they get a reply of 'Not Wounded', 'Lightly Wounded', 'Wounded' or 'Badly Wounded' (being at approximately max HP, 3/4 HP, 1/2 HP or 1/4 HP).
Regarding...