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Chest: PA
RAD 111 Chart 2011
Question | Answer |
---|---|
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 |