Principles: Exam II Flashcards
Mean Arterial Pressure
MAP = SPB +2(DBP) / 3
Oxyhemoglobin
Absorbs INFRARED (940nm) - appear red
Deoxyhemoglobin
Absorbs RED (660nm) - appears blue
ETCO2 Wavelenghts
2,600 and 4,300nm
Phase A-B
ETCO2
Exhalation of Dead Space (no ETCO2)
Phase B-C
ETCO2
Alveolar Emptying (Sharp RISE ETCO2)
Phase C-D
ETCO2
Exhalation of Alveolar Gas (Plateau in ETCO2)
Point D (ETCO2)
ETCO2 Measurement
Phase D-E
ETCO2
Beginning of Inspiration (Sharp DECLINE ETCO2)
Alpha Angle
ETCO2
Indicator of V/Q Status
Normally 110 = obstruction / COPD)
Beta Angle
ETCO2
Normally 90 degrees
Assesses rebreathing
Curare Cleft
ETCO2
Notch in plateau
indicates need for more relaxation
Monochromatic Infrared Spectrometry
3.3nm must program inhalation agent
Polychromatic Infrared Spectrometry
7-13nm, do not have to program inhalation agent
Sciatic Nerve
Foot Drop, Weakness Bellow Knee, Lateral 1/2
Sitting, Lithotomy, IM
Femoral Nerve
Knee Problems, Superior Aspect, Flexion Loss
Lithotomy / PELVIC BRIM
Peroneal
Foot Drop, Dorsal Extension
Lithotomy / Supports, Supine
Obturator
Adduction, Medial Sensation
Forceps Delivery, Flexion
Tibial
Foot Drop
Plantar Flexion
Musculocutaneous
Forearm Flex / Relax
compression
Brachial Plexus
Erb’s Palsy, Weak Arm
Abduction >90, Prone, Supine/T-Berg against braces
Ulnar
Claw Hand, 5th Digit
edge of bed, humerus
Radial
Wrist Drop, Lateral Three 1/2 Fingers, Wrist Extension
Humerus Compression
Medial Cutaneous
1st and 5th Digit, Medial Forearm
Cubital Fossa Compression