Anesthesia-Assessing_Depth.pdf

ASSESSING ANESTHETIC DEPTH Response Pupillary Stage of Cardiovascular Eyeb...

ASSESSING ANESTHETIC DEPTH Response Pupillary Stage of Cardiovascular Eyeball Pupil Muscle Reflex Behavior Respiration to Depth Light Anesthesia Function Position Size Tone Response o Surgery Response Normal, may be panting HR unchanged Not Stage I Disoriented Struggle Central Normal Yes Good All present RR 20-30 Hypertension anesthetized bpm Stage II Excitement Irregular, may HR may Central, All present, Not May be excitatory struggling hold breath or increase Struggle possible Yes Good may be anesthetized dilated stage vocalization hyperventilate Hypertension nystagmus exaggerated Swallowing Stage III, May Central or poor or Regular Pulse strong Plane 1 respond rotated, absent, Anesthetized RR 12-20 HR >90 bpm Light Normal Yes Good light with may be others bpm Normal BP anesthesia movement nystagmus present but diminished Patellar, ear flick, palpebral Stage III, Regular, may HR > 90 bpm HR and Often and corneal Plane 2 be shallow Slightly Relaxed Anesthetized Increasing RR may Moderate rotated Sluggish may be surgical RR 12-16 dilated hypotension increase ventrally present (but anesthesia bpm diminished), others absent HR 60-90 bpm Stage III, CRT increased, Usually All reflexes Plane 3 Shallow pulse less central, Moderately Very sluggish Greatly Anesthetized None Deep diminished deep RR