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Pulmonary tests and formulas - NPTE Review Questions and Answers A+
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Pulmonary tests and formulas - NPTE Review Questions and Answers A+
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Pulmonary tests and formulas - NPTE Review Questionsand Answers A+
Pulse Oximetry Correct Ans-Estimates percent of arterial oxygen saturation of hemoglobin.
If SpO2<90% in acutely ill pts or <85% in pts with chronic lung dz activity should be
terminated
Rate Pressure Product (RPP) Correct Ans-index of myocardial oxygen consumption and
coronary blood flow. Easy to measure correlate to onset of angina or development of ECG
abnormalities in pts with heart dz. S/S of myocardial ischemia generally occur at reproducible
RPP value. Measure SBP and HR during the same exercise workload. RPP = HR X SBP. RPP is
usually reported as two digit number X 10 to the 3rd (HR 150, SBP 170 = 25.5 X 10 to the 3rd).
RPP interpretation Correct Ans-Keeping the intensity of exercise below the RPP value will
reduce the risk of developing angina
RPE Correct Ans-AKA Borg Scale, 6-20 scale, 0-10 scale.
RPE Interpretation Correct Ans-13-14 represents about 70% of maximum HR during
exercise on treadmill or cycle ergometer. RPE of 11-13 corresponds to upper limit of
prescribed training heart rates early in cardiac rehab.
Complete assessment of respiration Correct Ans-considers four parameters: rate, rhythm,
depth and character.
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