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Medical Abnormality Identification: PIPER N ABCDE Mnemonic

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The chest X-ray is the most commonly used diagnostic test in medicine. A patient overall outcome is greatly impacted by radiology and therefore it is important to understand the basis of approaching the chest X-ray (Lee & Enzmann, 2012). The PIPER N ABCDE mnemonic ensures that clinicians identify key abnormalities and that no area is overlooked. PIPER N ABCDE stands for: Patient information, Inspiration, Penetration, Exposed area, Rotation, Ng tube location, Airway, Breathing, Circulation, Diaphragm, Everything else.
Patient Identification: Always begin by identifying the patient name and demographic details; review the clinical history, and any previous imaging.
Inspiration: Counting the anterior ribs assesses inspiration. There should be six anterior ribs above the diaphragm. If the seventh rib is visible above the diaphragm it suggest hyperinflation.
Penetration: Identifying the outline of the thoracic vertebra through the heart shadow assesses penetration. Good X ray penetration helps you identify pathology lying behind the heart shadow. All lung areas must be visible on the radiograph. If the lungs are not exposed, you will not be able to make a reliable diagnosis.
Rotation: Assess rotation by looking at the medial edges of the clavicles and drawing a line through the adjacent spinous processes. The distance between the clavicle and the line should be equal on both sides. Unequal distances suggest that rotation is present (Dains, Baumann, & Scheibel,

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