The lowest level of this is often used to check an individual for any sign of life, despite the fact that it can do a bit more than that.

Detect (All Life, Very Common) [6] 
    Analysis Only [-50%] 
    Reduced Duration (x1/3) [-10%] 
    Magical [-10%] 
    Spell Components [-10%] 
        Must gesture with hands 
Level 2 [21] 
    Remove Analysis Only [+50%]
Level 3 [51]
    Add Precise [+100%]