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Sternal angle

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323:, the readily palpated sternal angle is thus used as a landmark to identify the 2nd rib, and by extension, by counting, also the remaining ribs. Meanwhile, the first rib cannot be used for this purpose because it cannot be palpated. Counting ribs is essential attempting to make a thoracic incision; an incision at the first or second rib interspace can result in damage to large, important blood vessels and the brachial plexus. Identification of the second rib and thus the second intercostal space inferiorly is useful when auscultating heart sounds. The optimal location for auscultation of the aortic valve is generally the right second intercostal space, whereas the optimal location for auscultation of the pulmonic valve is generally the left second intercostal space. 41: 29: 161:, presenting as either a slight body ridge or depression upon the upper chest wall which corresponds to the underlying manubriosternal joint. The sternal angle is palpable and often visible in young people. 215:
of thoracic vertebrae T3-T4. The horizontal plane that passes through the sternal angle and the articular disc between the 4th and 5th thoracic vertebrae represents the imaginary boundary between the
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The sternal angle corresponds to the level of the 2nd costal cartilage on either side, and the level between the fourth and fifth thoracic vertebra. The sternal angle is used to define the
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The sternal angle is used as the starting point in physical examinations of the heart since the sternal angle is located 5 cm superior to the right atrium.
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The sternal angle marks the point at which the costal cartilage of either second rib articulates with the sternum. During
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The sternal angle is also called the angle of Louis, but the reason for that name was lost. Once thought to be after
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Anterior surface of sternum and costal cartilages. (Sternal angle not labeled, but visible at second
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Susan Standring; Neil R. Borley; et al., eds. (2008). "Chapter 54: Chest wall and breast".
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It is located approximately 7 cm inferior to the superior margin of the manubrium.
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Wilson, Herbert H. Srebnik ; illustrations by Genevieve M. (2002).
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Passage of the thoracic duct from right to left behind esophagus
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Gray's anatomy : the anatomical basis of clinical practice
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at the SUNY Downstate Medical Center - "Thoracic Wall: Bones"
535:(40th ed.). London: Churchill Livingstone. p. 922. 438:
Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2017).
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Boundary between the superior and inferior portion of the
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Loop of left recurrent laryngeal nerve around aortic arch
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The sternal angle forms an angle of about 162° in males.
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The angle also marks the level of a number of features:
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The sternal angle is a palpable and visible landmark in
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T4-T5 or the lower border of the thoracic vertebra T4,
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which represents the imaginary boundary between the
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Clinical Anatomy of the Spine, Spinal Cord, and Ans
442:(6th ed.). Lippincott Williams & Wilkins. 381:
Clinical Anatomy of the Spine, Spinal Cord, and Ans
229:The sternal angle is used in the definition of the 71:
angulus sterni, angulus sternalis, angulus Ludovici
565:. Boston: Kluwer Academic Publishers. p. 70. 530: 196:It marks the approximate level of the 2nd pair of 1210: 154:at their junction at the manubriosternal joint. 437: 433: 431: 429: 307:The sternal angle is the most frequent site of 427: 425: 423: 421: 419: 417: 415: 413: 411: 409: 680: 630:Alberto Coscione; L. Dixon; H. Ellis (2013). 585:: CS1 maint: multiple names: authors list ( 556: 554: 552: 463:Cramer, Gregory D.; Darby, Susan A. (2014). 462: 406: 180:and then the rest of the ribs by counting. 687: 673: 604: 39: 27: 549: 315:Surface anatomy and physical examination 302: 497: 469:(3rd ed.). Elsevier. p. 226. 1211: 694: 600: 598: 596: 560: 668: 200:, (sources differ) the level of the 593: 13: 14: 1230: 652: 342:, it is now believed to be after 384:. Elsevier. 2014. p. 226. 623: 605:Sinnatamby, Chummy S. (2011). 524: 491: 456: 372: 344:Pierre Charles Alexandre Louis 1: 366: 291:The beginning and end of the 899:Uncinate process of vertebra 800:Uncinate process of vertebra 498:Srebnik, Herbert H. (2012). 340:Wilhelm Friedrich von Ludwig 191: 7: 349: 10: 1235: 1179:Superior thoracic aperture 440:Essential Clinical Anatomy 329: 263:The superior limit of the 211:and the space between the 183: 1169: 1126: 1059: 1050: 1030: 993:posterior sacral foramina 937: 907: 867: 790: 715: 706: 508:10.1007/978-1-4615-0857-1 361:List of medical mnemonics 166:transverse thoracic plane 112: 100: 88: 76: 64: 59: 54: 38: 33:Lateral border of sternum 26: 21: 981:anterior sacral foramina 659:Anatomy photo:18:st-0212 148:manubriosternal junction 475:10.1016/c2009-0-42801-0 390:10.1016/c2009-0-42801-0 257:The bifurcation of the 16:Aspect of human anatomy 755:Intervertebral foramen 632:"The "Angle of Louis"" 311:among elderly people. 114:Anatomical terminology 321:physical examinations 303:Clinical significance 285:Ligamentum arteriosum 1010:Lateral sacral crest 252:Tracheal bifurcation 221:inferior mediastinum 217:superior mediastinum 178:physical examination 174:inferior mediastinum 1219:Bones of the thorax 1005:Medial sacral crest 1000:Median sacral crest 563:Concepts in anatomy 500:Concepts in Anatomy 273:Termination of the 265:fibrous pericardium 202:intervertebral disc 134:(also known as the 1194:Infrasternal angle 1156:Xiphisternal joint 1136:Suprasternal notch 869:Thoracic vertebrae 859:Vertebra prominens 820:Posterior tubercle 805:Transverse foramen 792:Cervical vertebrae 279:superior vena cava 1206: 1205: 1202: 1201: 1184:Intercostal space 1046: 1045: 969:sacral tuberosity 952:sacral promontory 810:Anterior tubercle 750:Vertebral foramen 716:General structure 616:978-0-7295-3752-0 609:(12th ed.). 542:978-0-8089-2371-8 517:978-1-4615-0857-1 484:978-0-323-07954-9 399:978-0-323-07954-9 213:spinous processes 206:thoracic vertebra 198:costal cartilages 128: 127: 123: 1226: 1057: 1056: 909:Lumbar vertebrae 815:Carotid tubercle 713: 712: 689: 682: 675: 666: 665: 647: 646: 636: 627: 621: 620: 602: 591: 590: 584: 576: 558: 547: 546: 528: 522: 521: 495: 489: 488: 460: 454: 453: 435: 404: 403: 376: 309:sternal fracture 267:surrounding the 144:angle of Ludovic 120:edit on Wikidata 117: 47:costal cartilage 43: 31: 19: 18: 1234: 1233: 1229: 1228: 1227: 1225: 1224: 1223: 1209: 1208: 1207: 1198: 1165: 1161:Xiphoid process 1151:Body of sternum 1122: 1042: 1026: 964:Lateral surface 933: 903: 863: 786: 702: 693: 655: 650: 634: 628: 624: 617: 603: 594: 578: 577: 573: 559: 550: 543: 529: 525: 518: 496: 492: 485: 461: 457: 450: 436: 407: 400: 378: 377: 373: 369: 352: 332: 317: 305: 269:ascending aorta 259:pulmonary trunk 194: 186: 159:surface anatomy 124: 50: 34: 17: 12: 11: 5: 1232: 1222: 1221: 1204: 1203: 1200: 1199: 1197: 1196: 1191: 1186: 1181: 1175: 1173: 1167: 1166: 1164: 1163: 1158: 1153: 1148: 1143: 1138: 1132: 1130: 1124: 1123: 1121: 1120: 1119: 1118: 1113: 1108: 1103: 1098: 1088: 1087: 1086: 1081: 1076: 1065: 1063: 1054: 1048: 1047: 1044: 1043: 1041: 1040: 1036: 1034: 1028: 1027: 1025: 1024: 1023: 1022: 1012: 1007: 1002: 997: 996: 995: 988:Dorsal surface 985: 984: 983: 976:Pelvic surface 973: 972: 971: 961: 956: 955: 954: 943: 941: 935: 934: 932: 931: 930: 929: 924: 913: 911: 905: 904: 902: 901: 896: 895: 894: 889: 884: 873: 871: 865: 864: 862: 861: 856: 855: 854: 844: 843: 842: 840:posterior arch 837: 832: 822: 817: 812: 807: 802: 796: 794: 788: 787: 785: 784: 779: 778: 777: 772: 767: 757: 752: 747: 746: 745: 740: 735: 725: 719: 717: 710: 704: 703: 692: 691: 684: 677: 669: 663: 662: 654: 653:External links 651: 649: 648: 622: 615: 607:Last's Anatomy 592: 571: 548: 541: 523: 516: 490: 483: 455: 449:978-1496347213 448: 405: 398: 370: 368: 365: 364: 363: 358: 356:Thoracic plane 351: 348: 331: 328: 316: 313: 304: 301: 300: 299: 298: 297: 289: 286: 283: 271: 261: 255: 249: 246: 231:thoracic plane 193: 190: 185: 182: 140:angle of Louis 136:angle of Lewis 126: 125: 116: 110: 109: 104: 98: 97: 92: 86: 85: 80: 74: 73: 68: 62: 61: 57: 56: 52: 51: 44: 36: 35: 32: 24: 23: 15: 9: 6: 4: 3: 2: 1231: 1220: 1217: 1216: 1214: 1195: 1192: 1190: 1189:Costal margin 1187: 1185: 1182: 1180: 1177: 1176: 1174: 1172: 1171:Thoracic cage 1168: 1162: 1159: 1157: 1154: 1152: 1149: 1147: 1146:Sternal angle 1144: 1142: 1139: 1137: 1134: 1133: 1131: 1129: 1125: 1117: 1114: 1112: 1109: 1107: 1106:costal groove 1104: 1102: 1099: 1097: 1094: 1093: 1092: 1089: 1085: 1084:floating ribs 1082: 1080: 1077: 1075: 1072: 1071: 1070: 1067: 1066: 1064: 1062: 1058: 1055: 1053: 1049: 1038: 1037: 1035: 1033: 1029: 1021: 1020:sacral hiatus 1018: 1017: 1016: 1013: 1011: 1008: 1006: 1003: 1001: 998: 994: 991: 990: 989: 986: 982: 979: 978: 977: 974: 970: 967: 966: 965: 962: 960: 959:Ala of sacrum 957: 953: 950: 949: 948: 945: 944: 942: 940: 936: 928: 925: 923: 920: 919: 918: 915: 914: 912: 910: 906: 900: 897: 893: 890: 888: 885: 883: 880: 879: 878: 877:Costal facets 875: 874: 872: 870: 866: 860: 857: 853: 850: 849: 848: 845: 841: 838: 836: 835:anterior arch 833: 831: 828: 827: 826: 823: 821: 818: 816: 813: 811: 808: 806: 803: 801: 798: 797: 795: 793: 789: 783: 780: 776: 773: 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1145: 1090: 1015:Sacral canal 916: 830:lateral mass 782:Spinal canal 759: 642: 639:Eur. J. Anat 638: 625: 606: 562: 532: 526: 499: 493: 465: 458: 439: 380: 374: 333: 325: 318: 306: 295: 281: 235: 228: 225: 209: 195: 187: 163: 156: 147: 143: 139: 135: 131: 129: 83:A02.3.03.005 70: 293:aortic arch 275:azygos vein 244:mediastinum 60:Identifiers 1079:false ribs 927:mammillary 892:transverse 765:transverse 572:0792375394 367:References 1141:Manubrium 1074:true ribs 922:accessory 917:Processes 770:articular 760:Processes 708:Vertebrae 581:cite book 277:into the 192:Relations 1213:Category 1101:tubercle 1061:Rib cage 887:inferior 882:superior 350:See also 204:between 170:superior 1128:Sternum 775:spinous 733:pedicle 698:of the 330:History 184:Anatomy 152:sternum 55:Details 1052:Thorax 1032:Coccyx 939:Sacrum 738:lamina 613:  569:  539:  514:  481:  446:  396:  1096:angle 1091:Parts 825:Atlas 743:notch 700:torso 696:Bones 635:(PDF) 146:, or 118:[ 66:Latin 1116:head 1111:neck 1069:Ribs 1039:none 947:Base 852:dens 847:Axis 728:Arch 723:Body 611:ISBN 587:link 567:ISBN 537:ISBN 512:ISBN 479:ISBN 444:ISBN 394:ISBN 219:and 172:and 130:The 107:7547 95:1133 78:TA98 504:doi 471:doi 386:doi 338:or 102:FMA 90:TA2 1215:: 643:17 641:. 637:. 595:^ 583:}} 579:{{ 551:^ 510:. 502:. 477:. 408:^ 392:. 346:. 233:. 223:. 142:, 138:, 49:.) 688:e 681:t 674:v 619:. 589:) 575:. 545:. 520:. 506:: 487:. 473:: 452:. 402:. 388:: 122:]

Index



costal cartilage
Latin
TA98
A02.3.03.005
TA2
1133
FMA
7547
Anatomical terminology
edit on Wikidata
sternum
surface anatomy
transverse thoracic plane
superior
inferior mediastinum
physical examination
costal cartilages
intervertebral disc
thoracic vertebra
spinous processes
superior mediastinum
inferior mediastinum
thoracic plane
mediastinum
Tracheal bifurcation
pulmonary trunk
fibrous pericardium
ascending aorta

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