In some cases, it can make very small bubbles in some tissues.
Ask your doctor if you can continue to drink water and take your medications as you normally would before an ultrasound. Your doctor will usually tell you to fast for 8 to 12 hours before your ultrasound. In those cases, you may be instructed to eat a fat-free meal the evening before your test, and start fasting after it.
Before an abdominal ultrasound, you will be asked to change into a hospital gown and remove any jewelry or other objects that might interfere with the scan. The gel prevents air pockets from forming between the skin and the ultrasound transducer, which looks like a microphone. The transducer sends high frequency sound waves through your body.
These waves are too high-pitched for the human ear to hear. But the waves echo as they hit a dense object, such as an organ—or a baby.
Make sure to let your technician know right away if the pain becomes severe. When the scan is done, the technician will clean the gel off your abdomen. The procedure usually lasts less than 30 minutes. A radiologist will interpret your ultrasound images.
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Your doctor will discuss the results with you at a follow-up appointment. Your doctor may ask for another follow-up scan or other tests and set up an appointment to check on any issues that were found. A hernia occurs when an organ pushes through the muscle or tissue that holds it in place.
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There are two different types of ovarian cysts and both may cause symptoms such as…. These tumors can become quite large and cause severe abdominal pain and heavy…. Learn more. Ultrasound is an essential tool for evaluating your baby during pregnancy. Back Matter Pages About this book Introduction Diagnostic ultrasound is changing dramatically because of the development of a variety of high resolution real-time scanning instruments. Until recently the standard instrument was the articulated arm contact scanner.
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The roles are reversing with real-time instruments more frequently accepted as the primary diagnostic tool and the contact scanner becoming the ancillary instrument for use mainly for viewing a large field that cannot be scanned with real-time instruments. This book introduces the reader to the field of real-time scanning in the abdomen.
It presupposes an understanding of basic physical concepts of ultrasound, the appearance of both normal and pathologic conditions as produced by static articulated arm contact scanning, and a familiarity with the techniques of contact scanning. It is designed to acquaint the reader with the spectrum of real-time instrumentation, provide a basic understanding of the physics of ultrasound as related to these instruments, emphasize the special skills required in the use of this equipment, and describe applications of real-time scanning for various parts of the abdomen.
While numerous illustrations of both normal and pathologic anatomy are shown, the book is an all-inclusive study of abdominal pathology as demonstrated by real-time imaging.
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