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1409:
218:
shell. These are small enough to pass through the capillaries and are used to increase the contrast in the left ventricle, improving the visualization of its walls. The drop in density on the interface between the gas in the bubble and the surrounding liquid strongly scatters and reflects the
152:
or gadolinium-based contrast agent (GBCA). In the 3+ oxidation state, the metal has seven unpaired electrons. This causes water around the contrast agent to relax quickly, enhancing the quality of the MRI scan.
301:
1340:
420:
1397:
410:
1191:
1446:
388:
194:. Therefore, the only ones that reach the left side of the heart pass through an abnormal connection between the two sides of the heart, known as a
1955:
764:
1051:
1044:
1151:
306:
1771:
794:
657:
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115:
are the most common types of contrast agent. Various sorts of iodinated contrast agents exist, with variations occurring between the
947:
403:
646:
1904:
1439:
428:
245:
162:
1972:
1257:
127:
are favored for their low osmolarity and low toxicity, but have a correspondingly higher cost attached to their use.
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1999:
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1432:
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171:
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248: – form of kidney damage in which there has been recent exposure to medical imaging contrast material
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Substance used in medical imaging to enhance the contrast of structures or fluids within the body
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239: – Radiographs used to examine abnormalities of the digestive system excluding the colon
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gives the liquid with these bubbles a high signal, which can be seen in the resulting image.
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The types of contrast agent are classified according to their intended imaging modalities.
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278: – Technique and process of creating visual representations of the interior of a body
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269: – Medication derived from poppyseed oil and iodine often used as a contrast agent
260:
67:(MRI), contrast agents shorten (or in some instances increase) the relaxation times of
198:. In addition, pharmaceutically prepared microbubbles are composed of tiny amounts of
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1921:
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1611:
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1315:
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1242:
1237:
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1171:
1161:
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220:
141:
116:
44:
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1252:
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1206:
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835:
709:
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120:
52:
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1217:
1213:
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477:
266:
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1713:
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912:
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56:
71:
within body tissues in order to alter the contrast in the image.
1015:
191:
1428:
392:
74:
Contrast agents are commonly used to improve the visibility of
271:
Pages displaying short descriptions of redirect targets
241:
Pages displaying short descriptions of redirect targets
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250:
Pages displaying wikidata descriptions as a fallback
1903:
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427:
186:, most of which are too large to pass through the
362:"Bubble dynamics involved in ultrasonic imaging"
182:. These microbubbles are composed of agitated
1440:
404:
8:
419:Major chemical drug groups – based upon the
39:. Contrast agents absorb or alter external
35:of structures or fluids within the body in
1758:
1482:
1473:
1447:
1433:
1425:
411:
397:
389:
257: – Substance to enhance X-ray imaging
321:"Safe use of radiographic contrast media"
294:
123:and absolute iodine content. Non-ionic
1398:Pharmacological classification systems
765:Selective estrogen receptor modulators
366:Expert Review of Molecular Diagnostics
1045:Non-steroidal anti-inflammatory drugs
59:imaging, contrast agents enhance the
7:
63:in a target tissue or structure. In
658:Angiotensin II receptor antagonists
223:back to the probe. This process of
14:
1407:
1387:
1386:
206:strengthened and supported by a
170:are used as contrast agents for
795:Hypothalamic–pituitary hormones
1:
547:Thrombolytics / fibrinolytics
360:Postema M, Schmitz G (2006).
1258:Wakefulness-promoting agents
307:Dorland's Medical Dictionary
246:Contrast-induced nephropathy
163:Contrast-enhanced ultrasound
319:Thomson K, Varma D (2010).
2018:
908:Intravenous immunoglobulin
284: – Branch of medicine
174:examination, specifically
160:
157:Ultrasound contrast agents
146:magnetic resonance imaging
134:
92:
65:magnetic resonance imaging
47:, which is different from
1950:
1382:
263: – Chemical compound
178:, for the detection of a
963:Topoisomerase inhibitors
647:renin–angiotensin system
641:Calcium channel blockers
378:10.1586/14737159.6.3.493
1838:Ferric ammonium citrate
331:: 19–22. Archived from
190:(blood vessels) of the
755:Hormonal contraception
685:Bile acid sequestrants
466:Proton-pump inhibitors
429:gastrointestinal tract
80:gastrointestinal tract
325:Australian Prescriber
31:used to increase the
1364:Radiopharmaceuticals
1152:Antiparkinson agents
347:"MR Contrast Agents"
103:, which is based on
49:radiopharmaceuticals
1942:Sulfur hexafluoride
1147:Antimigraine agents
1137:Antidementia agents
1040:Anti-inflammatories
730:Medicated dressings
670:Antihyperlipidemics
497:Diabetes medication
196:right-to-left shunt
131:MRI contrast agents
95:Radiocontrast agent
89:Radiocontrast media
1977:Never to phase III
1000:Immunosuppressants
870:Antimycobacterials
826:Antithyroid agents
810:Mineralocorticoids
614:Cardiac stimulants
604:Cardiac glycosides
596:cardiac therapy /
492:Anti-obesity drugs
255:Iodinated contrast
150:MRI contrast agent
137:MRI contrast agent
1987:
1986:
1899:
1898:
1853:Superparamagnetic
1802:Gadopentetic acid
1748:
1747:
1686:
1685:
1422:
1421:
1325:Ophthalmologicals
1035:Anabolic steroids
938:Anticancer agents
901:Ectoparasiticides
621:Antihypertensives
569:Antifibrinolytics
2007:
1935:Microspheres of
1772:Gadolinium-based
1759:
1678:Calcium iopodate
1517:Ioxitalamic acid
1483:
1474:
1449:
1442:
1435:
1426:
1411:
1390:
1389:
1374:Senotherapeutics
1228:Neuroprotectives
1223:Mood stabilizers
1122:Anti-ADHD agents
1062:Muscle relaxants
995:Immunostimulants
990:Immunomodulators
822:Thyroid hormones
760:Fertility agents
663:Renin inhibitors
554:Antihemorrhagics
521:forming organs (
507:Dietary minerals
413:
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302:"contrast agent"
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204:perfluorocarbons
41:electromagnetism
2017:
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2010:
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2000:Contrast agents
1990:
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1967:Clinical trials
1946:
1895:
1879:
1847:
1822:Gadoversetamide
1744:
1728:
1693:Water insoluble
1692:
1682:
1673:Tyropanoic acid
1668:Sodium iopodate
1653:Iobenzamic acid
1643:Ioglycamic acid
1621:
1552:
1546:
1527:Acetrizoic acid
1497:Diatrizoic acid
1487:
1478:
1463:
1453:
1423:
1418:
1414:Medicine portal
1378:
1334:
1306:
1301:
1293:Cough medicines
1288:Bronchodilators
1269:
1262:
1142:Antidepressants
1132:Anticonvulsants
1080:
1071:
1067:Bisphosphonates
1057:Corticosteroids
1019:
1006:
978:
969:
953:Spindle poisons
943:Antimetabolites
926:
917:
839:
830:
805:Glucocorticoids
800:Corticosteroids
781:
774:
741:
734:
691:
609:Antiarrhythmics
582:
575:
532:Antithrombotics
520:
511:
487:Antipropulsives
483:Antidiarrhoeals
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386:
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276:Medical imaging
270:
249:
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184:saline solution
176:echocardiograms
165:
159:
139:
133:
97:
91:
55:themselves. In
37:medical imaging
25:contrast medium
17:
12:
11:
5:
2015:
2014:
2011:
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1922:Microparticles
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1868:
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1857:
1855:
1849:
1848:
1846:
1845:
1840:
1830:
1829:
1827:Gadoxetic acid
1824:
1819:
1814:
1812:Gadoteric acid
1809:
1804:
1799:
1794:
1789:
1784:
1779:
1777:Gadobenic acid
1767:
1765:
1756:
1750:
1749:
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1745:
1743:
1742:
1740:Barium sulfate
1736:
1734:
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1711:
1700:Ethiodized oil
1696:
1694:
1688:
1687:
1684:
1683:
1681:
1680:
1675:
1670:
1665:
1663:Iocetamic acid
1660:
1655:
1650:
1645:
1640:
1635:
1633:Iodoxamic acid
1629:
1627:
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1622:
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1614:
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1604:
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1556:
1548:
1547:
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1544:
1539:
1534:
1529:
1524:
1519:
1514:
1512:Iotalamic acid
1509:
1504:
1502:Metrizoic acid
1499:
1493:
1491:
1480:
1471:
1465:
1464:
1456:Contrast media
1454:
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1371:
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1359:Contrast media
1356:
1350:
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1336:
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1327:
1321:
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1312:sensory organs
1308:
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1210:
1209:
1204:
1199:
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1179:
1174:
1169:
1164:
1159:
1157:Antipsychotics
1154:
1149:
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1129:
1127:Antiaddictives
1124:
1119:
1114:
1113:
1112:
1107:
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1091:
1089:
1082:nervous system
1073:
1072:
1070:
1069:
1064:
1059:
1054:
1052:Antirheumatics
1049:
1048:
1047:
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1031:
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1008:
1007:
1005:
1004:
1003:
1002:
997:
986:
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958:Antineoplastic
955:
950:
945:
934:
932:
919:
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910:
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898:
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891:Antiprotozoals
886:Antiparasitics
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866:Antibacterials
862:Antimicrobials
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725:Antipsoriatics
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581:cardiovascular
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542:Anticoagulants
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372:(3): 493–502.
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335:on 2011-03-17.
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261:Ipodate sodium
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161:Main article:
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135:Main article:
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21:contrast agent
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1875:nanoparticles
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1733:Non-iodinated
1731:
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1709:
1705:
1701:
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1695:
1689:
1679:
1676:
1674:
1671:
1669:
1666:
1664:
1661:
1659:
1658:Iopanoic acid
1656:
1654:
1651:
1649:
1646:
1644:
1641:
1639:
1638:Iotroxic acid
1636:
1634:
1631:
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1575:
1573:
1572:Ioxaglic acid
1570:
1568:
1565:
1563:
1560:
1559:
1557:
1555:
1551:Nephrotropic,
1549:
1543:
1540:
1538:
1535:
1533:
1532:Iocarmic acid
1530:
1528:
1525:
1523:
1522:Ioglicic acid
1520:
1518:
1515:
1513:
1510:
1508:
1505:
1503:
1500:
1498:
1495:
1494:
1492:
1490:
1486:Nephrotropic,
1484:
1481:
1479:Water soluble
1475:
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1283:Decongestants
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1202:Dissociatives
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1192:Hallucinogens
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896:Anthelmintics
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766:
763:
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750:
747:
743:
740:genitourinary
737:
731:
728:
726:
723:
721:
720:Antipruritics
718:
716:
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708:
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686:
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664:
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639:
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636:Beta blockers
634:
632:
629:
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624:
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619:
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612:
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584:
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548:
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537:Antiplatelets
535:
534:
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527:
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518:
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508:
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217:
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209:
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197:
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189:
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180:cardiac shunt
177:
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169:
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156:
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147:
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138:
130:
128:
126:
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118:
114:
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96:
88:
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83:
81:
77:
76:blood vessels
72:
70:
66:
62:
58:
54:
51:, which emit
50:
46:
42:
38:
34:
30:
26:
22:
1931:Perflenapent
1913:Microspheres
1843:Mangafodipir
1833:
1807:Gadopiclenol
1792:Gadofosveset
1770:
1763:Paramagnetic
1719:Propyliodone
1704:Ethyl esters
1626:Hepatotropic
1489:high osmolar
1469:X-ray and CT
1197:Psychedelics
1167:Aphrodisiacs
841:infestations
817:Sex hormones
770:Sex hormones
715:Cicatrizants
645:
631:Vasodilators
598:antianginals
595:
447:stomach acid
446:
369:
365:
355:
341:
333:the original
328:
324:
314:
305:
297:
168:Microbubbles
166:
140:
98:
84:
73:
61:radiodensity
24:
20:
18:
1963:from market
1817:Gadoteridol
1787:Gadodiamide
1724:Iofendylate
1710:, lipiodol)
1708:fatty acids
1706:of iodised
1562:Metrizamide
1554:low osmolar
1330:Otologicals
1302:antagonists
1268:respiratory
1243:Orexigenics
1238:Neurotoxins
1187:Euphoriants
1177:Entactogens
1172:Depressants
1162:Anxiolytics
1100:Anesthetics
876:Antifungals
473:Antiemetics
461:antagonists
237:Barium meal
188:capillaries
172:sonographic
144:is used in
101:radiography
1905:Ultrasound
1891:Perflubron
1871:Iron oxide
1866:Ferristene
1861:Ferumoxsil
1797:Gadolinium
1782:Gadobutrol
1691:Iodinated,
1648:Adipiodone
1612:Iobitridol
1477:Iodinated,
1253:Stimulants
1233:Nootropics
1207:Deliriants
1182:Entheogens
1117:Anorectics
1095:Analgesics
948:Alkylating
881:Antivirals
836:infections
710:Emollients
564:Coagulants
434:metabolism
289:References
221:ultrasound
142:Gadolinium
117:osmolarity
45:ultrasound
1973:Phase III
1961:Withdrawn
1926:galactose
1602:Iodixanol
1582:Iopromide
1577:Iopamidol
1537:Methiodal
1403:ATC codes
1369:Dressings
1354:Antidotes
1218:Sedatives
1214:Hypnotics
923:malignant
780:endocrine
626:Diuretics
559:Platelets
519:and blood
478:Laxatives
282:Radiology
121:viscosity
53:radiation
29:substance
1994:Category
1607:Iomeprol
1597:Iopentol
1592:Ioversol
1587:Iotrolan
1507:Iodamide
1248:Serenics
913:Vaccines
680:Fibrates
502:Vitamins
452:Antacids
267:Lipiodol
231:See also
200:nitrogen
78:and the
33:contrast
1714:Iopydol
1617:Ioxilan
1567:Iohexol
1542:Diodone
1105:General
1012:muscles
981:L03–L04
977:disease
929:L01–L02
925:disease
675:Statins
349:. 2014.
216:polymer
208:protein
27:) is a
1956:WHO-EM
1412:
1391:
1339:other
1270:system
1022:joints
975:immune
782:system
742:system
583:system
148:as an
125:dimers
113:barium
109:iodine
105:X-rays
69:nuclei
1884:Other
1834:Other
1393:Drugs
1110:Local
1077:brain
1016:bones
517:blood
214:, or
212:lipid
192:lungs
57:X-ray
1020:and
697:skin
111:and
99:For
23:(or
1924:of
1915:of
1754:MRI
1702:(=
1460:V08
1341:ATC
1079:and
838:and
374:doi
304:at
202:or
43:or
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1969::
1873:,
1836::
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1014:,
864::
853:QI
851:,
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380:.
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370:6
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