Which of the following measures during cardiopulmonary exercise ...

[wenmo]

Which of the following measures during cardiopulmonary exercise evaluation are most useful in differentiating between exercise intolerance of cardiac versus ventilatory origin?
 
  1. Maximum heart rate
  2. O2max
  3. PaCO2
  4. PaO2
  a. 2 and 4 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 2, 3, and 4 only

Question 2

Under which of the following conditions would you recommend ending a cardiopulmonary ex-ercise evaluation?
 
  1. Electrocardiogram indicating sinus tachycardia
  2. 10 fall from baseline oxyhemoglobin (HbO2) saturation
  3. Fall in systolic blood pressure of more than 20 mm Hg
  4. Request from the patient to terminate the test
  a. 2, 3, and 4 only
  b. 1, 2, and 3 only
  c. 1, 2, 3, and 4
  d. 1, 2, and 4 only

[yasmin]

Answer to Question 1

ANS: C

Answer to Question 2

ANS: A
To guide practitioners in implementing exercise evaluation, the AARC has published Clinical Practice Guidelines: Exercise Testing for Evaluation of Hypoxemia and/or Desaturation and Pulmonary Rehabilitation.

[wenmo]

Thank you

[yasmin]

No problemo