Presentation is loading. Please wait.

Presentation is loading. Please wait.

MOBILE RADIOGRAPHY MERRILL’S VOL. 3 CH. 28. POWER SUPPLIES CAPACITOR DISCHARGE UNITS BATTERY POWERED UNITS.

Similar presentations


Presentation on theme: "MOBILE RADIOGRAPHY MERRILL’S VOL. 3 CH. 28. POWER SUPPLIES CAPACITOR DISCHARGE UNITS BATTERY POWERED UNITS."— Presentation transcript:

1 MOBILE RADIOGRAPHY MERRILL’S VOL. 3 CH. 28

2 POWER SUPPLIES CAPACITOR DISCHARGE UNITS BATTERY POWERED UNITS

3

4

5 POWER DRIVE DRIVE MOTOR, BATTERY POWERED DEADMAN-TYPE DRIVE SWITCH EXTREME CARE MUST BE TAKEN WHEN DRIVING !

6 KVP BATTERY-POWERED UNIT HIGHER AVERAGE PHOTON ENERGY CAPACITOR DISCHARGE UNIT VOLTAGE DROPS DURING EXPOSURE

7

8 MAS MOST MOBILE UNITS NOT CAPABLE OF HIGH MAS VALUES USED IN STATIONARY UNITS KVP CAN BE MANIPULATED TO OBTAIN SUFFICIENT DENSITY

9 RADIATION SAFETY S HIELDING T IME D ISTANCE

10

11 GRID USE PART IS MORE THAN 10CM THICK HIGH KVP NEEDED CR ALONG CENTRAL AXIS OF GRID ANGLE CR ALONG DIRECTION OF LEAD STRIPS FIND TUBE SIDE OF GRID

12 MILD CUT OFF CR3” OFF CENTER

13 MODERATE CUTOFF CR 5”OFF CENTER

14 CHEST RADIOGRAPHY

15 QUICK TIPS POSITION CR AND SET TECHNIQUE PRIOR TO POSITIONING PATIENT USE SHORT EXPOSURE TIMES TO REDUCE MOTION

16 EVALUATION CRITERIA CLAVICLES POSITIONED ON SAME PLANE SCAPULAE IN LUNG FIELD HUMERI ABDUCTED OUT OF FOV MANUBRIUM SUPERIMPOSED OVER T4 1” OF APICES DEMONSTRATED ABOVE CLAVICLES

17 CORRECT

18 PATIENT CHALLENGES KYPHOSIS SEMI-UPRIGHT/SUPINE/CR 5-10DEGREES CEPH. UNCONSCIOUS/VENTILATED PATIENT SLIDE CASSETTE UNDER BED SHEET/WATCH RESPIRATIONS

19 SCOLIOSIS VS ROTATION ROTATION DISTANCE FROM VERTEBRAL COLUMN TO LUNG EDGES UNIFORM DOWN LENGTH OF LUNG SCOLIOSIS DISTANCE FROM VERTEBRAL COLUMN TO LATERAL LUNG EDGES VARIES DOWN LENGTH OF LUNG FIELD. VARIATION INCREASES W/ SEVERITY OF SCOLIOSIS

20 CXR/SCOLIOSIS

21 EXPIRATION

22 ARMS IN FOV

23 LORDOTIC

24 CAUDAL ANGLE

25 PEDIATRIC CHEST

26 EVALUATION CRITERIA DISTANCES FROM VERTEBRAL COLUMN TO STERNAL ENDS OF CLAVICLES EQUAL LENGTHS OF R & L POSTERIOR RIBS EQUAL ANTERIOR RIBS PROJECTED DOWNWARD POSTERIOR RIBS DEMONSTRATE MILD CEPHALICALLY BOWED CONTOUR 8 POSTERIOR RIBS ABOVE DIAPHRAGM

27 NEONATE CORRECT

28 NOT FULL EXPIRATION

29 ROTATION TO L SIDE

30 LORDOTIC/POSTERIOR RIBS PROJECTED UPWARD/CR TOO LOW

31 CHIN IN LUNG FIELD

32 EXPIRATION/CR CEPHALIC ANGLE

33 CR TOO CAUDAL

34 DECUBITUS CXR

35 POSITIONING TIPS AP PROJECTION IS EASIER FOR POSITIONING BEND KNEES & SUPPORT W/PILLOW TO PREVENT FORWARD ROTATION

36 EVALUATION CRITERIA ARMS, MANDIBLE, & LATERAL BORDERS OF SCAPULAE OUTSIDE LUNG FIELD CLAVICLES PROJECTED UPWARD MANUBRIUM SUPERIMPOSED ON T4 9-10 POSTERIOR RIBS ABOVE DIAPHRAGM SUPPORT PAD NOT IN LUNG FIELD

37 CORRECT

38 INCORRECT/LFT SIDE CLOSER TO IR/ARM AT 90 DEGREE ANGLE

39 MANUBRIUM OVER T5/LEANING FORWARD

40 PEDIATRIC DECUBITUS CXR

41 CORRECT

42 ROTATED TOWARDS L

43 R SIDE ROTATION& CHIN

44 ARM INLUNG/EXPIRATION

45 MOBILE ABDOMEN

46 PATIENT CHALLENGES PATIENT SIZE MOTION VOLUNTARY INVOLUNTARY LINES/TUBING

47 MOTION

48 INVOLUNTARY MOTION

49 DECREASE MA FOR PATHOLOGY

50 SCOLIOSIS VS ROTATION ROTATION SPINOUS PROCESS LOCATION OFF VERTEBRAL COLUMN APPEARS STRAIGHT SCOLIOSIS SPINOUS PROCESSES STRAIGHTEN OUT VERTEBRAL COLUMN DEMONSTRATES LATERAL DEVIATION

51 ROTATION

52 SCOLIOSIS

53 DECUBITUS ABDOMEN

54 EVALUATION CRITERIA UNIFORM DENSITY ACROSS ABDOMEN SPINOUS PROCESSES ALIGNED WITH MIDLINE OF VERTEBRAL BODIES ILIAC WINGS SYMMETRICAL RIGHT HEMIDIAPHRAGM INCLUDED

55 FREE AIR

56 CORRECT

57 RT SIDE FARTHER FROM IR

58 PEDIATRIC ABDOMEN

59 CORRECT

60 NO DIAPHRAGM/FINGERS

61 R SIDE ROTATION

62 UPPER BODY TILTED TO R

63 DECUBITUS ABDOMEN/PEDI

64 CORRECT

65 ROTATED TO L SIDE

66 DIAPHRAGM NOT INCLUDE


Download ppt "MOBILE RADIOGRAPHY MERRILL’S VOL. 3 CH. 28. POWER SUPPLIES CAPACITOR DISCHARGE UNITS BATTERY POWERED UNITS."

Similar presentations


Ads by Google