ACCS Kettering Exam Questions With Verified Answers.
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Course
ACCS
Institution
ACCS
ACCS Kettering Exam Questions With
Verified Answers.
Alveolar Oxygen Tension (PAO2)/Alveolar Air Equation - answerShortcut: (Fio2 x 7) -Paco2
+10
VD/VT and ratio - answerPaco2-Peco2/Paco2 Make it a ratio by multiply answer by 100. 20-
40% (up to 60% for vent pts)
Alveolar Minute Ventilation -...
ACCS Kettering Exam Questions With
Verified Answers.
Alveolar Oxygen Tension (PAO2)/Alveolar Air Equation - answer✔Shortcut: (Fio2 x 7) -Paco2
+10
VD/VT and ratio - answer✔Paco2-Peco2/Paco2 Make it a ratio by multiply answer by 100. 20-
40% (up to 60% for vent pts)
Alveolar Minute Ventilation - answer✔(VT-VD) x f
Anatomic deadspace - answer✔1ml per 1lb body weight
Work of breathing - answer✔change in Pressure X change in Volume .5-.7 J/L (.05-.07 kg-m/l)
Alveolar-Arterial Oxygen Gradient (P(A-a)O2 or AaDo2 or A-a Gradient - answer✔PAO2-PaO2
Normal:25-65 torr on 100% o2 V/Q mismatch: 66-300 torr Shunting:>300 torr
Arterial Oxygen Content (CaO2) - answer✔Never have to calculate on test. If all values are good
just pick normal 17-20%(high teens). If all values are bad pick the answer in low teens
Mixed Venous Oxygen Content (CvO2) and SvO2 - answer✔Reflect cardiac output. Cvo2 and
SvO2 will decrease with the cardiac output. Cvo2: 12-16%. SvO2: 65-75%
Arterial-Venous Oxygen Content Difference (C(a-v)O2) - answer✔CaO2-CvO2. Will rise when
cardiac output is falling. 4-5%.
Shunt Equation (QS/QT) - answer✔Shortcut: When A-aDO2 goes up by 100 add 5% starting at
5%. Example 300=20%. Normal is 3-5%
Berlin Criteria (New school) - answer✔Mild ARDS: P/F ratio <200-300
Moderate ARDS: P/F ratio <100-200 Sever ARDS:P/F Ratio <100 Diffuse bilateral opacities
Cardiac output - answer✔4-8 L/min
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