X-rays use a beam of radiation that passes through the body onto a detector. Dense structures stop the photons, while soft structures let them pass through.
Abdominal radiographs are highly specific for diagnosing bowel obstructions and perforations. To quickly evaluate bowel gas patterns, memorize the for maximum normal bowel diameters: Small Bowel: Should not exceed 3 cm in diameter. Large Bowel (Colon): Should not exceed 6 cm in diameter. Cecum: Should not exceed 9 cm in diameter. Distinguishing Small vs. Large Bowel radiology made easy pdf
Verify the correct placement of endotracheal tubes, nasogastric tubes, central lines, and ECG leads. Step 3: Transitioning from X-Ray to Cross-Sectional Imaging X-rays use a beam of radiation that passes
Look closely beneath the right diaphragm. A crescent of black air here indicates a perforated bowel—a surgical emergency. To quickly evaluate bowel gas patterns, memorize the
Though a full book, it is the most famous "easy" guide to learning chest X-rays through a programmed learning approach. Summary Checklist for Beginners
A CT scan is a rotating X-ray machine. It takes thousands of cross-sectional digital "slices" of the body.