A sample of blood has been taken from a patient's pulmonary artery. What mixed venous oxygen saturation value (SvO2) would indicate that the patient is normal?
a. 40 mm Hg
b. 95 mm Hg
c. 75%
d. 97%
C
A normal SvO2 is 75%. Normal PvO2 is 40 mm Hg. Normal arterial blood values for oxygen are SaO2 of 97% and PaO2 of 95 mm Hg.
You might also like to view...
Assessment of a patient who is having an asthma attack would include examination for:
a. state of consciousness, general appearance, vital signs, respiratory movement, skin turgor, and dryness of mucous membranes. b. state of consciousness, vital signs, general appearance, respiratory movement, and pedal edema. c. state of consciousness, general appearance, vital signs, respiratory movement, and abdominal rebound tenderness. d. general appearance, state of consciousness, vital signs, respiratory movement, and jugular vein distention.
When a physician determines that surgery is required and performs the procedure on the same day, which modifier would be appended to the E/M code?
A) -57 B) -24 C) -25 D) -54