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Cr perpendicular to a point midway between jugular

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CR: Perpendicular to a pointmidway between jugularnotch and the midcoronalplane and through a point 4to 5 inches lower fordemonstration of thesuperior mediastinum.regions of the thyroid and thymusglands.*This projection, first describedby Eiselberg and Sgalitzer is usedextensively to demonstrateretrosternal extensions of thethyroid gland, thyroidenlargement in infants and theopacified pharynx and upperesophagus as well as an outline ofthe trachea and bronchi. It is alsoused for foreign body localization.Trachea and superiormediastinum free ofsuperimposition by theshoulders.Air-filled tracheaNo rotationTRACHEA & PULMONARYAPEX(AXIOLATERALPROJECTION)TWININGMETHOD10X12SEATED OR STANDINGElevate the arm adjacent to the IR inextreme abduction, flex the elbow andplace the forearm across or behind thehead.Center the IR to the region of the tracheaat the level of the axilla.Have the patient rest the shoulder firmlyagainst the grid device for support.Depress the opposite shoulder as much aspossible.Adjust the body in a true lateral position.Shield gonads.Respiration: For trachea, instruct thepatient to inspire slowly during theexposure. For the lung apex, make theexposure at the end of full inspiration.RP: Center of the IR throughthe adjacent supraclavicularimpressionCR: Directed to the center ofthe IR through the adjacentsupraclavicular impression atthe angle of15 degreescaudad.Axiolateral projectiondemonstrates the air-filedtrachea and the apex of the lungclose to the IR.Shoulders well separatedfrom each other.Area from the midcervicalto the midthoracic region.Air-filled tracheaNo rotation
CHESTLUNGS & HEART PAPROJECTION*If possible, examine thepatient in the upright position,either standing or seated, sothe diaphragm will be at itslowest position and soengorgement of thepulmonary vessels is avoided.14X17 LWSTANDING OR SEATEDUPRIGHTPlace the patient with arms hanging atsides before a vertical grid device.Adjust the height of the IR so that itsupper border is about 1 ½ to 2 inchesabove the relaxed border.Center the MSP to the midline of the IR.Have the patient stand straight, with theweight of the body equally distributed.Extend the patient’s chin upward or overthe top of the grid device.Ask the patient to flex the arms and torest the backs of the hands low on thehips.Depress the shoulders and adjust to lie inthe same transverse plane. Rotate themforward to position them below the lungapices.Respiration: Full inspiration. The exposureis made after the second full inspiration toensure maximization expansion of thelungs.RP: Center of the IR.CR: Perpendicular to thecenter of the IR. CR shouldenter at the level of T7.

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