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| Unknown | 1994-03-02 | 1.3 KB |
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|00000000| 05 00 0c 00 e9 00 c0 01 | 9a 02 d1 03 41 20 43 41 |........|....A CA|
|00000010| 54 20 28 63 6f 6d 70 75 | 74 65 72 69 7a 65 64 20 |T (compu|terized |
|00000020| 61 78 69 61 6c 20 74 6f | 6d 6f 67 72 61 70 68 69 |axial to|mographi|
|00000030| 63 29 20 73 63 61 6e 20 | 69 73 20 61 20 64 69 61 |c) scan |is a dia|
|00000040| 67 6e 6f 73 74 69 63 20 | 74 65 63 68 6e 69 71 75 |gnostic |techniqu|
|00000050| 65 20 77 68 69 63 68 20 | 63 6f 6d 62 69 6e 65 73 |e which |combines|
|00000060| 20 74 68 65 20 75 73 65 | 20 6f 66 20 61 20 63 6f | the use| of a co|
|00000070| 6d 70 75 74 65 72 20 61 | 6e 64 20 58 20 72 61 79 |mputer a|nd X ray|
|00000080| 73 20 70 61 73 73 65 64 | 20 74 68 72 6f 75 67 68 |s passed| through|
|00000090| 20 74 68 65 20 62 6f 64 | 79 20 61 74 20 64 69 66 | the bod|y at dif|
|000000a0| 66 65 72 65 6e 74 20 61 | 6e 67 6c 65 73 2e 20 54 |ferent a|ngles. T|
|000000b0| 68 65 20 63 6f 6d 70 75 | 74 65 72 20 61 6e 61 6c |he compu|ter anal|
|000000c0| 79 7a 65 73 20 74 68 65 | 20 64 65 6e 73 69 74 79 |yzes the| density|
|000000d0| 20 6f 66 20 74 69 73 73 | 75 65 73 20 61 6e 64 20 | of tiss|ues and |
|000000e0| 6f 72 67 61 6e 73 2e 20 | 00 49 74 20 70 72 6f 64 |organs. |.It prod|
|000000f0| 75 63 65 73 20 63 72 6f | 73 73 2d 73 65 63 74 69 |uces cro|ss-secti|
|00000100| 6f 6e 61 6c 20 69 6d 61 | 67 65 73 20 6f 66 20 74 |onal ima|ges of t|
|00000110| 68 65 20 61 72 65 61 20 | 62 65 69 6e 67 20 65 78 |he area |being ex|
|00000120| 61 6d 69 6e 65 64 2c 20 | 70 72 6f 76 69 64 69 6e |amined, |providin|
|00000130| 67 20 63 6c 65 61 72 65 | 72 20 61 6e 64 20 6d 6f |g cleare|r and mo|
|00000140| 72 65 20 64 65 74 61 69 | 6c 65 64 20 69 6e 66 6f |re detai|led info|
|00000150| 72 6d 61 74 69 6f 6e 20 | 74 68 61 6e 20 58 2d 72 |rmation |than X-r|
|00000160| 61 79 73 20 75 73 65 64 | 20 61 6c 6f 6e 65 2e 20 |ays used| alone. |
|00000170| 43 41 54 20 73 63 61 6e | 6e 69 6e 67 20 74 65 6e |CAT scan|ning ten|
|00000180| 64 73 20 74 6f 20 6d 69 | 6e 69 6d 69 7a 65 20 74 |ds to mi|nimize t|
|00000190| 68 65 20 61 6d 6f 75 6e | 74 20 6f 66 20 72 61 64 |he amoun|t of rad|
|000001a0| 69 61 74 69 6f 6e 20 65 | 78 70 6f 73 75 72 65 20 |iation e|xposure |
|000001b0| 74 6f 20 74 68 65 20 70 | 61 74 69 65 6e 74 2e 00 |to the p|atient..|
|000001c0| 54 68 65 20 73 63 61 6e | 6e 65 64 20 69 6d 61 67 |The scan|ned imag|
|000001d0| 65 73 20 72 65 76 65 61 | 6c 20 73 6f 66 74 20 74 |es revea|l soft t|
|000001e0| 69 73 73 75 65 73 20 28 | 69 6e 63 6c 75 64 69 6e |issues (|includin|
|000001f0| 67 20 74 75 6d 6f 72 73 | 29 20 6d 6f 72 65 20 63 |g tumors|) more c|
|00000200| 6c 65 61 72 6c 79 20 74 | 68 61 6e 20 6e 6f 72 6d |learly t|han norm|
|00000210| 61 6c 20 58 2d 72 61 79 | 20 70 69 63 74 75 72 65 |al X-ray| picture|
|00000220| 73 2e 20 54 68 65 20 43 | 41 54 20 73 63 61 6e 20 |s. The C|AT scan |
|00000230| 69 6d 61 67 65 73 20 61 | 72 65 20 76 61 6c 75 61 |images a|re valua|
|00000240| 62 6c 65 20 69 6e 20 62 | 72 61 69 6e 20 64 69 73 |ble in b|rain dis|
|00000250| 6f 72 64 65 72 73 20 64 | 75 65 20 74 6f 20 74 68 |orders d|ue to th|
|00000260| 65 69 72 20 73 68 61 72 | 70 20 64 65 66 69 6e 69 |eir shar|p defini|
|00000270| 74 69 6f 6e 20 6f 66 20 | 76 65 6e 74 72 69 63 6c |tion of |ventricl|
|00000280| 65 73 20 28 66 6c 75 69 | 64 2d 66 69 6c 6c 65 64 |es (flui|d-filled|
|00000290| 20 73 70 61 63 65 73 29 | 2e 00 42 65 63 61 75 73 | spaces)|..Becaus|
|000002a0| 65 20 43 41 54 20 73 63 | 61 6e 73 20 75 74 69 6c |e CAT sc|ans util|
|000002b0| 69 7a 65 20 69 6f 64 69 | 6e 65 20 64 79 65 20 74 |ize iodi|ne dye t|
|000002c0| 6f 20 63 6f 6e 74 72 61 | 73 74 20 76 61 72 69 6f |o contra|st vario|
|000002d0| 75 73 20 74 69 73 73 75 | 65 73 2c 20 70 61 74 69 |us tissu|es, pati|
|000002e0| 65 6e 74 73 20 61 6c 6c | 65 72 67 69 63 20 74 6f |ents all|ergic to|
|000002f0| 20 69 6f 64 69 6e 65 20 | 73 68 6f 75 6c 64 20 6e | iodine |should n|
|00000300| 6f 74 20 62 65 20 73 75 | 62 6a 65 63 74 65 64 20 |ot be su|bjected |
|00000310| 74 68 69 73 20 74 65 73 | 74 2e 20 54 68 65 20 4d |this tes|t. The M|
|00000320| 52 49 20 73 63 61 6e 20 | 73 68 6f 75 6c 64 20 62 |RI scan |should b|
|00000330| 65 20 75 73 65 64 20 69 | 6e 73 74 65 61 64 2e 20 |e used i|nstead. |
|00000340| 41 64 64 69 74 69 6f 6e | 61 6c 6c 79 2c 20 74 68 |Addition|ally, th|
|00000350| 65 20 64 79 65 20 63 61 | 6e 20 66 75 72 74 68 65 |e dye ca|n furthe|
|00000360| 72 20 64 61 6d 61 67 65 | 20 61 6e 20 69 6e 6a 75 |r damage| an inju|
|00000370| 72 65 64 20 6b 69 64 6e | 65 79 2e 20 50 61 74 69 |red kidn|ey. Pati|
|00000380| 65 6e 74 73 20 73 75 62 | 6a 65 63 74 20 74 6f 20 |ents sub|ject to |
|00000390| 6b 69 64 6e 65 79 20 64 | 61 6d 61 67 65 20 6f 72 |kidney d|amage or|
|000003a0| 20 72 65 6e 61 6c 20 66 | 61 69 6c 75 72 65 20 73 | renal f|ailure s|
|000003b0| 68 6f 75 6c 64 20 6e 6f | 74 20 62 65 20 43 41 54 |hould no|t be CAT|
|000003c0| 20 73 63 61 6e 6e 65 64 | 20 65 69 74 68 65 72 2e | scanned| either.|
|000003d0| 00 43 41 54 20 73 63 61 | 6e 73 20 61 72 65 20 76 |.CAT sca|ns are v|
|000003e0| 61 6c 75 61 62 6c 65 20 | 69 6e 20 63 6f 6e 66 69 |aluable |in confi|
|000003f0| 72 6d 69 6e 67 20 74 68 | 65 20 70 72 65 6c 69 6d |rming th|e prelim|
|00000400| 69 6e 61 72 79 20 64 69 | 61 67 6e 6f 73 69 73 20 |inary di|agnosis |
|00000410| 6f 66 20 61 6e 65 75 72 | 79 73 6d 73 20 28 75 6e |of aneur|ysms (un|
|00000420| 6c 65 73 73 20 62 6c 65 | 65 64 69 6e 67 20 69 73 |less ble|eding is|
|00000430| 20 76 65 72 79 20 73 6d | 61 6c 6c 29 2c 20 62 72 | very sm|all), br|
|00000440| 61 69 6e 20 74 75 6d 6f | 72 73 2c 20 68 65 6d 61 |ain tumo|rs, hema|
|00000450| 74 6f 6d 61 20 64 75 65 | 20 74 6f 20 68 65 61 64 |toma due| to head|
|00000460| 20 69 6e 6a 75 72 79 20 | 28 73 63 61 6e 20 77 69 | injury |(scan wi|
|00000470| 6c 6c 20 73 68 6f 77 20 | 61 62 6e 6f 72 6d 61 6c |ll show |abnormal|
|00000480| 20 63 6c 6f 74 20 61 6e | 64 20 73 6b 75 6c 6c 20 | clot an|d skull |
|00000490| 69 6e 64 65 6e 74 61 74 | 69 6f 6e 29 20 61 6e 64 |indentat|ion) and|
|000004a0| 20 74 68 65 20 64 61 6d | 61 67 65 64 20 61 72 65 | the dam|aged are|
|000004b0| 61 73 20 6f 66 20 74 68 | 65 20 62 72 61 69 6e 20 |as of th|e brain |
|000004c0| 64 75 65 20 74 6f 20 69 | 6e 66 61 72 63 74 69 6f |due to i|nfarctio|
|000004d0| 6e 20 28 73 74 72 6f 6b | 65 29 20 77 68 65 6e 20 |n (strok|e) when |
|000004e0| 62 61 6c 61 6e 63 65 64 | 20 61 67 61 69 6e 73 74 |balanced| against|
|000004f0| 20 69 6e 66 6f 72 6d 61 | 74 69 6f 6e 20 66 72 6f | informa|tion fro|
|00000500| 6d 20 74 68 65 20 70 61 | 74 69 65 6e 74 27 73 20 |m the pa|tient's |
|00000510| 68 69 73 74 6f 72 79 20 | 61 6e 64 20 70 68 79 73 |history |and phys|
|00000520| 69 63 61 6c 20 65 78 61 | 6d 69 6e 61 74 69 6f 6e |ical exa|mination|
|00000530| 2e 00 20 72 65 73 75 6c | 74 73 20 6f 66 20 61 6c |.. resul|ts of al|
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