 |
20th century
anesthesia |
 |
INDIRECT signs |
 |
Heart rate & blood pressure changes – inaccurate |
 |
‘Too much’ anesthesia given routinely for fear
of ‘too little’ |
 |
Educated guessing |
|
 |
 |
21st century
anesthesia
|
 |
DIRECT measurement |
 |
Brain activity accurate,
not perfect |
 |
‘Just right’ anesthesia. Custom fitted, not
‘one size fits most’ |
 |
Measuring is better
than guessing |
|