The most probable explanation for the flip-flop phenomenon in the newborn is:
a. oxygen (O2) toxicity.
b. right-to-left shunting.
c. cardiac disease.
d. reactive pulmonary vasoconstriction.
ANS: D
When the FiO2 is increased to original levels, the PaO2 fails to improve, which is probably be-cause of reactive pulmonary vasoconstriction.
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Which of the following best reflects the documentation of "independent visualization of KUB reveals evidence of significant amount of stool within sigmoid and rectum"?
a. The ordering, planning, or scheduling of any diagnostic service intended to assist in diagnosing the patient's presenting problem b. Requesting or obtaining the patient's old medical records c. Discussion of the results of a diagnostic test with the physician who performed that specific diagnostic test d. The personal, independent visualization of the radiologic image, tracing, or scan by the physician who is performing the E/M service visit
Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report
Find the correct code: a. 93000 b. 93005 c. 93010 d. 93040
Which of the following is a ventilator mode that allows the ventilator to switch from pressure control to volume control or vice versa?
a. Dual-control mode c. Volume-control mode b. Flow-control mode d. Pressure-control mode
Seven Sigma, used successfully for many years in the manufacturing industry, is now helping health care organizations improve their existing processes and develop new processes to meet quality goals
A. True B. False