A preferred and highly accurate method of diagnosing hypertrophic pyloric stenosis is:
a. ultrasonography with delay in gastric emptying and one or two narrow pyloric channels
b. upper gastrointestinal series with delay in gastric emptying and one or two narrow pyloric channels.
c. passing a lighted tube from the mouth into the stomach
d. doing a pH test on the stomach contents collected over a 48-hour period
A
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A Correct. A preferred and highly accurate method of diagnosing hypertrophic pyloric stenosis is ultrasonography with direct visualization of the hypertrophied muscle and the pyloric channel.
B Incorrect. The upper gastrointestinal series with delay in gastric emptying and one or two narrow pyloric channels is not the diagnostic method of choice.
C Incorrect. Passing a lighted tube from the mouth into the stomach is not a method of diagnosing hypertrophic pyloric stenosis.
D Incorrect. Doing a pH test on the stomach contents collected over a 48-hour period is a method of diagnosing gastroesophageal reflux.
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