R a d io lo g i Ked o k t era n Gig i
Pen d a h u lu a n
• R ad io lo g i ( ilmu s in ar ) ad alah cab an g ilmu k ed o k ter an ya n g
men g g u n ak an en er g i p en g io n d an b en tu k - b en tu k en er g i lain n ya
( n o n p en g io n ) d alam b id an g d iag n o s tik d an ter ap i, yan g me lip u t i
en er g i p en g io n ya n g d ih as ilk an o leh g en er ato r d an b ah an
r ad io ak tif s ep er ti s in ar X , s in ar g amma , p an car an p ar tik el
p en g io n ( elek tr o n , n eu tr o n , p os itr o n d an p r o to n ) . En er g i b u k an
p en g io n ( n o n p en g io n ) s ep er ti : g elo mb an g u ltr a s o n ik ,
g elo mb an g in f r a r ed , g elo mb an g mag n etik d an g elo mb an g mik r o .
• S in ar X ad alah s u atu g elo mb an g elek tr o mag n e tik yan g d ih as ilk an
d ar i s u atu tab u n g R o n tg en
• S in ar X d ite mu k an p ad a tan g g al 8 N o p emb er 1 8 9 5 s ecar a
k eb etu lan ( tid ak s en g aj a) o leh Wilh elm C o n r ad R o n tg en , s eo r an g
ah li F is ik a d i U n iv er s itas Wu zb u r g , J er man . P er co b aan n ya
men g g u n ak an tab u n g h amp a u d ar a ( C r o o k e tu b e) d ilen g k ap i d u a
ma cam elek tr o d a yai tu k ato d a d an an o d a. K es imp u lan p er co b aan
ter s eb u t :
1 . S in ar ter s eb u t memp u n yai s if at ya n g b er b ed a d en g an s in ar lain
2 . Tid ak d ap at d ib elo k k an o leh med an mag n it
3 . D ap at men g h i tamk an f ilm
4 . M emp u n yai d a ya temb u s yan g b es ar d an p anj an g g elo mb an g n ya p en d ek .
H as il temu an n ya men d ap at p en g ak u an , s etelah d ip u b lik as i p ad a s emin ar 2 3
J an u ar i 1 8 9 6 d i Un iv er s itas Wu zb u r g . Lah ir d i Len ep 2 3 M ar et 1 8 4 3 d an men in g g al
d i Mu n ch en 1 0 F eb r u ar i 1 9 2 3 . S etelah W. C R o n tg en w af at , s in ar X d in a mak an
3 . PE S A W A T R OEN T GE N KE D OKT E R A N GI GI
P es aw at R o en tg en in tr a o r al d an ek s tr a o r al. S u p aya o p er ato r b er ad a d i d aer ah
b eb as r ad ias i , d an d ap at men ek an to mb o l d i lu ar r u an g an , k o tak p en g o n tr o l
s eb aik n ya d ite mp atk an d i lu ar r u an g an atau to mb o l k o n tr o l d ih u b u n g k an d en g an
k ab el yan g p an j an g .
P es aw at R o en tg en k ed o k ter an g ig i tip e d en tal ter d ir i d ar i :
1 . B ad an p es aw at
2. Tan g an p es aw at / h a n d le
3 . B o k s /k o tak k o n tr o l, d en g an to mb o l ek s p o s e
4. Tab u n g / tu b e h ea d
5. K o n e/co n e
K o n (co n e) ter d ir i d ar i b er ma cam- maca m u k u r an , b en tu k d an b ah an .
Y an g d ian j u r k an p en g g u n aan n ya ad alah tab u n g b er u k u r an p anj an g d an ter b u k a.
Tab u n g p en d ek b er u j u n g r u n cin g su d ah d ilar an g p en g g u n aan n ya,
P EM B AN G K I TAN S I NA R X M EM ER LU KA N :
1 . A lir an lis tr ik teg an g an tin g g i s eb ag ai su mb er elek tr o n ( E)
2 . A lat p en g atu r ten ag a (A )
3 . A lat p en g atu r w ak tu ( B )
4 . Tr af o teg an g an tin g g i ( C )
5. Tab u n g R o en tg en /tab u n g s in ar x (D )
1 . A LI R A N LI S TR I K TEG AN G AN TI N G G I S EBA G A I SU M B ER
ELEK TR O N
P es aw at r o n tg en u n tu k d iag n o s tik d an ter ap i , men g g u n ak an
lis tr ik b er t eg an g an tin g g i, u n tu k d ap at men g h as ilk an s in ar x yan g b aik .
D ar i selu r u h ten ag a lis tr ik ya n g mas u k d iatu r men u r u t k eb u tu h an
2 . A LA T P EN GA TU R TEN A G A (A )
D i b ag ian in i ter d ap at s eb u ah tr an f o r mato r ya n g me me b er i ten ag a p ad a
s emu a b ag ian p es aw at. P ad a tr an s f o r mato r in ilah d ilak u k an p en g atu r an
teg an g an tin g g i, yan g ak an d ib er ik an p ad a tab u n g s in ar x . Teg an g an
tab u n g in i d ap at ( 2 5 k v u n tu k p emo tr e tan b u ah d ad a mis a ln ya ) atau
teg an g an tin g g i ( 1 2 5 k v u n tu k p emo tr e tan k ep ala d en g an tek n ik
teg an g an tin g g i) .
3 . A LA T P EN GA TU R WA K TU ( B )
P en g atu r an w ak tu ad alah b ag ian p es aw at ya n g men en tu k an la man ya
p en yi n a r an .
P en g atu r an w ak tu in i ad a ya n g :
- b er u p a s eb u ah s ak elar , u mp ama u n tu k p emo tr etan f lo r o s k o p i ( s in ar temb u s ) .
- B er u p a s eb u ah alat, atau r an g k aian k h u s us yan g d i s eb u t “ Timer ”. Timer in i
ad a ya n g b er u p a alat mek an is ( d en g an p eg as ) , b er u p a elek tr o mek an is ( d en g an
mo to r lis tr ik ) , elek tr o n is atau camp u r an d ar i b eb er ap a s is te m, mis a ln ya
elek tr o n is cah a ya atau f o to n d ll.
4 . TR A F O TEG AN G AN TI N G G I ( C )
M er u p ak an alat ya n g d ip ak ai u n tu k memb an g k itk an teg an g an tin g g i ya n g
ak an d ih u b u n g k an d en g an s in ar x .
5 . TA B U NG R O EN TG EN A TAU TA B U NG S I NA R X ( D )
Tab u n g r o en tg en ad alah b ag ian d ar i p es aw at r o en tg en ad alah b ag ian d ar i
p es aw at r o en tg en ya n g d ib er i tu g as u n tu k men g u b ah teg an g an lis tr ik men j ad i
s in ar x . Dar i s elu r u h ten ag a h an ya 1 % ya n g d ir u b ah men j ad i s in ar x , d an 9 9 %
b er u p a p an as . M ak a u n tu k men j ag a ag ar p es aw at r o n tg en tid ak mu d ah r u s ak
k ar en a p an as mak a d id ala m tab u n g r o en tg en d ib er i alat p en d in g in mis aln ya :
O lie atau min yak .
a. K ato d e s eb ag ai k u tu b n eg atip , mer u p ak an su mb er elek tr o n d ar i
f ilamen t.
b . R u an g h amp a u d ar a, u n tu k lin tas an b eb as j alan n ya elek tr o n k e
an o d e.
c. An o d e s eb ag ai k u tu b p os itip , ter d ap atn ya b ad an p en ceg at ( tar g et)
ya n g d ib u at d ar i tu n g s ten yan g me mp u n yai titik leb u r ya n g tin g g i.
F u n gs in ya u n tu k men g h en tik an jalan n ya elek tr o n s ecar a tib a- tib a.
G a m b a r
P es aw at R o en tg en in tr ao r al /d en ta l, P an o r amik d an s ef alo metr i, s en d i TM
( g a m b a r d a r i k l i n i k R K G - F K G U I )
