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Chest: PA

RAD 111 Chart 2011

QuestionAnswer
PROJECTION CHEST: PA
MEASURE PATH OF BEAM PLACE CALIPER OVER TOP OF MID SHOULDER
SID INCHES 72 to decrease magnification of heart + increase thoracic detail
IMAGE RECEPTOR 14X17 LW, (CW for large patient), VERT GRID DEVICE, UPPER IR BORDER 1 1/2-2" ABOVE MID SHOULDER
PATIENT POSITION UPRIGHT TO PLACE DIAPHRAGM @ LOWEST POSITION TO SEE AIR/FLUID LEVELS
PART POSITION pt stands straight, facing IR, weight equal on feet, extend chin over grid top, MSP vert, rest back of hands low on hips, shoulders rotated forward so scapulae not over lungs, shoulders same transverse plane + depressed
CENTRAL RAY perpendicular TO CENTER IR, ENTERS @ LEVEL OF T7 (T7= inferior aspect of scapulae)
ID MARKERS RT MARKER FACING IR
COLLIMATION MAXIMUM 13X16 (16x13 for LG PT)
RESPIRATION FULL INSPIRATION ON 2ND BREATH: "take a deep breath in, blow it out, take another deep breath in and hold it"
SPECIAL NOTE 1.REMOVE ARTIFACTS 2. ASK PT TO PULL LG BREASTS UP + LATERAL + HOLD BY LEANING AGAINST IR
GONADAL SHIELDING PLACE LEAD SHIELD BETWEEN TUBE + PELVIS
STRUCTURES SHOWN PA PROJ THORACIC VISCERA SHOWS AIR-FILLED TRACHEA, LUNGS, DIAPHRAG. DOMES, HEART, + AORTIC KNOB
EVALUATION CRITERIA ENTIRE LUNG FIELD FROM APICES TO C.ANGLES, NO ROTATION: STERNAL ENDS OF CLAVICLES EQUIDISTAN FROM VERT COLUMN, TRACHEA IN MIDLINE, SCAPULAE OUTSIDE LUNG FIELDS, 10 POST. RIBS ABOVE DIAPHRAGM, SHARP OUTLINE HEART + DIAPHRAGM
2011 MERRILLS PAGE # 504
Created by: svvang