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Base excess

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1158:, hence respiratory acidosis; the kidneys then attempt to compensate for the low pH by raising blood bicarbonate. The kidneys only partially compensate, so the patient may still have a low blood pH, i.e. acidemia. In summary, the kidneys partially compensate for respiratory acidosis by raising blood bicarbonate. 779: 1104: 87:. Thus, a deviation of serum bicarbonate from the reference range is ordinarily mirrored by a deviation in base excess. However, base excess is a more comprehensive measurement, encompassing all metabolic contributions. 71:
defines the respiratory component of acid–base balance, base excess defines the metabolic component. Accordingly, measurement of base excess is defined, under a standardized pressure of carbon dioxide, by
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present in the blood. The value is usually reported as a concentration in units of mEq/L (mmol/L), with positive numbers indicating an excess of base and negative a deficit. A typical
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Base excess is defined as the amount of strong acid that must be added to each liter of fully oxygenated blood to return the pH to 7.40 at a temperature of 37°C and a pCO
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of 40 mmHg (5.3 kPa). A base deficit (i.e., a negative base excess) can be correspondingly defined by the amount of strong base that must be added.
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Base deficit with normal anion gap indicates loss of bicarbonate (e.g., diarrhea). The anion gap is maintained because bicarbonate is exchanged for
1147:). Often a disturbance in one triggers a partial compensation in the other. A secondary (compensatory) process can be readily identified because it 1867: 615:
Base excess (or deficit) is one of several values typically reported with arterial blood gas analysis that is derived from other measured data.
2436: 1860: 1430: 197: 1197:, usually involves either excretion of bicarbonate or neutralization of bicarbonate by excess organic acids. Common causes include 788: 1477: 1352: 1324: 1139:
Blood pH is determined by both a metabolic component, measured by base excess, and a respiratory component, measured by PaCO
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is useful for determining whether a base deficit is caused by addition of acid or loss of bicarbonate.
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Comparison of the base excess with the reference range assists in determining whether an
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Base deficit with elevated anion gap indicates addition of acid (e.g., ketoacidosis).
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is caused by a respiratory, metabolic, or mixed metabolic/respiratory problem. While
1852: 2390: 2047: 1804: 1546: 1472: 1439: 1099:{\displaystyle BE=0.02786\times PaCO_{2}\times 10^{(pH-6.1)}+13.77\times pH-124.58} 433: 344: 53: 2244: 1154:
For example, inadequate ventilation, a respiratory problem, causes a buildup of CO
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is at 5 g/dl. The latter gives a better view of the base excess of the entire
2425: 2334: 2313: 2227: 2152: 2085: 1795: 1633: 1623: 1211: 515: 2339: 2308: 2211: 1900: 1659: 1498: 1367: 1233:, preventing excretion of acid and resorption and production of bicarbonate 596:
A further distinction can be made between actual and standard base excess:
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Medical Calculators > Calculated Bicarbonate & Base Excess
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with units of mEq/L. The same can be alternatively expressed as
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refer to an excess or deficit, respectively, in the amount of
1841: 1608: 1452: 885:{\displaystyle Base~excess=0.93\times +13.77\times pH-124.58} 618:
The term and concept of base excess were first introduced by
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Frances Talaska Fischbach; Marshall Barnett Dunning (2008),
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Steven Pon, MD, Weill Medical College of Cornell University
1125:
with renal compensation if too high (more than +2 mEq/L)
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with renal compensation if too low (less than −2 mEq/L)
639: 77: 1882: 1012: 908: 791: 650: 1239:, in which large amounts of bicarbonate are excreted 83:
The predominant base contributing to base excess is
16:
Excess or deficit in amount of base present in blood
1193:A base deficit (a below-normal base excess), thus 1098: 992: 884: 773: 1179:Excessive loss of HCl in gastric acid by vomiting 1114:Base excess beyond the reference range indicates 2423: 600:base excess is that present in the blood, while 1182:Renal overproduction of bicarbonate, in either 1399:Anthology on Base Excess (O.Siggaard-Andersen) 1868: 1424: 1343:Jonathan D. Kibble; Colby R. Halsey (2009), 1317:A Manual of Laboratory and Diagnostic Tests 1875: 1861: 1431: 1417: 1338: 1336: 550: 440: 378: 338: 284: 234: 177: 106: 2424: 1372: 634:Base excess can be estimated from the 1856: 1412: 1333: 993:{\displaystyle pH=pK+log{\frac {}{}}} 1151:the observed deviation in blood pH. 2173:Glycogen phosphorylase isoenzyme BB 1345:Medical Physiology: The Big Picture 60:for base excess is −2 to +2 mEq/L. 13: 2437:Diagnostic intensive care medicine 604:base excess is the value when the 14: 2448: 1387: 1210:, in which high levels of acidic 1109: 1368:Acid-Base Tutorial — Terminology 1165:, usually involves an excess of 1822:Fractional excretion of sodium 1361: 1308: 1070: 1055: 1003:Ultimately the end result is: 984: 968: 963: 939: 895:Calculations are based on the 858: 834: 1: 2130:Comprehensive metabolic panel 1319:(8th ed.), p. 973, 1302: 1242:Ingestion of poisons such as 629: 90: 76:back to a standardized blood 7: 2066:Thyroid-stimulating hormone 2028:Total iron-binding capacity 1800:Effective renal plasma flow 1644:Intracellular fluid/Cytosol 10: 2453: 2407:Elevated alpha-fetoprotein 1749:Glomerular filtration rate 1741:Assessment and measurement 1604:Atrial natriuretic peptide 1404:Emedicine: Lactic Acidosis 2399: 2359: 2352: 2322: 2299: 2290: 2260: 2181: 2138: 2076: 2046: 2003: 1956: 1891: 1832:Tubuloglomerular feedback 1814: 1759:Augmented renal clearance 1739: 1716:Bicarbonate buffer system 1674: 1632: 1586: 1579: 1537: 1491: 1460: 1450: 1440:Physiology of the kidneys 1224:during heavy exercise or 1201:Compensation for primary 1173:Compensation for primary 1161:A high base excess, thus 138: 26: 21: 1721:Respiratory compensation 1478:Clearance of medications 1936:BUN-to-creatinine ratio 1827:BUN-to-creatinine ratio 1562:Countercurrent exchange 2369:Elevated transaminases 2061:Thyroid function tests 2023:Transferrin saturation 1883:Clinical biochemistry 1276: 1231:Chronic kidney failure 1169:. It can be caused by 1100: 994: 886: 775: 2163:Lactate dehydrogenase 2125:Basic metabolic panel 2056:ACTH stimulation test 1764:Renal clearance ratio 1683:Darrow Yannet diagram 1283:Acid–base homeostasis 1208:Diabetic ketoacidosis 1203:respiratory alkalosis 1184:contraction alkalosis 1143:(partial pressure of 1133:respiratory alkalosis 1101: 995: 897:Henderson-Hasselbalch 887: 776: 638:concentration () and 624:Ole Siggaard-Andersen 65:acid/base disturbance 2183:Liver function tests 2038:Transferrin receptor 1789:Hemodialysis product 1769:Urea reduction ratio 1754:Creatinine clearance 1594:Antidiuretic hormone 1444:acid–base physiology 1222:anaerobic metabolism 1175:respiratory acidosis 1123:respiratory acidosis 1010: 906: 789: 648: 451:LIVER FUNCTION TESTS 2199:Serum total protein 2194:Human serum albumin 1665:Transcellular fluid 1649:Extracellular fluid 1567:Filtration fraction 1292:Metabolic alkalosis 1163:metabolic alkalosis 1119:metabolic alkalosis 962: 857: 723: 610:extracellular fluid 103: 2432:Chemical pathology 1971:Arterial blood gas 1726:Renal compensation 1655:Interstitial fluid 1297:Arterial blood gas 1288:Metabolic acidosis 1195:metabolic acidosis 1129:metabolic acidosis 1096: 990: 948: 882: 843: 771: 709: 180:ARTERIAL BLOOD GAS 96: 2419: 2418: 2415: 2414: 2348: 2347: 2301:Blood sugar level 2280:Pancreatic lipase 2118:Total cholesterol 1948:Serum osmolal gap 1943:Plasma osmolality 1850: 1849: 1784:Dialysis adequacy 1779:Standardized Kt/V 1735: 1734: 1693:Davenport diagram 1676:Acid–base balance 1575: 1574: 1552:Renal plasma flow 1354:978-0-07-164302-3 1326:978-0-7817-7194-8 1272:during excretion. 1188:Cushing's disease 988: 806: 665: 642:by the equation: 586: 585: 38: 37: 2444: 2391:Hyperproteinemia 2357: 2356: 2297: 2296: 1877: 1870: 1863: 1854: 1853: 1805:Extraction ratio 1708:Winters' formula 1584: 1583: 1547:Renal blood flow 1473:Pharmacokinetics 1458: 1457: 1433: 1426: 1419: 1410: 1409: 1382: 1376: 1370: 1365: 1359: 1358: 1340: 1331: 1330: 1312: 1105: 1103: 1102: 1097: 1074: 1073: 1046: 1045: 999: 997: 996: 991: 989: 987: 983: 982: 966: 961: 956: 937: 891: 889: 888: 883: 856: 851: 804: 780: 778: 777: 772: 770: 766: 765: 761: 728: 724: 722: 717: 663: 341:SERUM OSMOLARITY 150: 141: 104: 95: 19: 18: 2452: 2451: 2447: 2446: 2445: 2443: 2442: 2441: 2422: 2421: 2420: 2411: 2395: 2384:Hypoalbuminemia 2379:Hypoproteinemia 2344: 2318: 2292:Small molecules 2286: 2256: 2177: 2134: 2072: 2042: 1999: 1989: 1952: 1887: 1881: 1851: 1846: 1810: 1731: 1670: 1628: 1580:Other functions 1571: 1557:Ultrafiltration 1533: 1487: 1483:Urine flow rate 1446: 1437: 1390: 1385: 1377: 1373: 1366: 1362: 1355: 1347:, p. 249, 1341: 1334: 1327: 1313: 1309: 1305: 1279: 1250:, or excessive 1248:ethylene glycol 1218:Lactic acidosis 1157: 1142: 1112: 1054: 1050: 1041: 1037: 1011: 1008: 1007: 978: 974: 967: 957: 952: 938: 936: 907: 904: 903: 893: 852: 847: 790: 787: 786: 748: 744: 718: 713: 702: 698: 697: 693: 649: 646: 645: 632: 592: 587: 308: 272: 267: 257: 252: 222: 217: 207: 202: 192: 165: 148: 147: 142: 139: 98:Pathophysiology 93: 58:reference range 17: 12: 11: 5: 2450: 2440: 2439: 2434: 2417: 2416: 2413: 2412: 2410: 2409: 2403: 2401: 2397: 2396: 2394: 2393: 2388: 2387: 2386: 2376: 2371: 2365: 2363: 2354: 2350: 2349: 2346: 2345: 2343: 2342: 2337: 2332: 2326: 2324: 2320: 2319: 2317: 2316: 2311: 2305: 2303: 2294: 2288: 2287: 2285: 2284: 2283: 2282: 2272: 2266: 2264: 2258: 2257: 2255: 2254: 2253: 2252: 2247: 2237: 2232: 2231: 2230: 2225: 2220: 2208: 2203: 2202: 2201: 2196: 2187: 2185: 2179: 2178: 2176: 2175: 2170: 2165: 2160: 2155: 2150: 2148:Cardiac marker 2144: 2142: 2140:Cardiovascular 2136: 2135: 2133: 2132: 2127: 2122: 2121: 2120: 2115: 2110: 2105: 2095: 2094: 2093: 2091:Hemoglobin A1c 2082: 2080: 2074: 2073: 2071: 2070: 2069: 2068: 2058: 2052: 2050: 2044: 2043: 2041: 2040: 2035: 2030: 2025: 2020: 2015: 2009: 2007: 2001: 2000: 1998: 1997: 1992: 1987: 1983: 1978: 1973: 1968: 1962: 1960: 1954: 1953: 1951: 1950: 1945: 1940: 1939: 1938: 1933: 1928: 1921:Renal function 1918: 1913: 1908: 1903: 1897: 1895: 1889: 1888: 1880: 1879: 1872: 1865: 1857: 1848: 1847: 1845: 1844: 1839: 1834: 1829: 1824: 1818: 1816: 1812: 1811: 1809: 1808: 1802: 1793: 1792: 1791: 1781: 1776: 1771: 1766: 1761: 1756: 1751: 1745: 1743: 1737: 1736: 1733: 1732: 1730: 1729: 1728: 1723: 1718: 1710: 1705: 1695: 1690: 1685: 1680: 1678: 1672: 1671: 1669: 1668: 1662: 1657: 1651: 1638: 1636: 1630: 1629: 1627: 1626: 1624:Prostaglandins 1621: 1616: 1614:Erythropoietin 1611: 1606: 1601: 1596: 1590: 1588: 1581: 1577: 1576: 1573: 1572: 1570: 1569: 1564: 1559: 1554: 1549: 1543: 1541: 1535: 1534: 1532: 1531: 1526: 1521: 1516: 1511: 1506: 1501: 1495: 1493: 1489: 1488: 1486: 1485: 1480: 1475: 1470: 1464: 1462: 1455: 1448: 1447: 1436: 1435: 1428: 1421: 1413: 1407: 1406: 1401: 1396: 1389: 1388:External links 1386: 1384: 1383: 1371: 1360: 1353: 1332: 1325: 1306: 1304: 1301: 1300: 1299: 1294: 1285: 1278: 1275: 1274: 1273: 1266: 1255: 1254: 1240: 1234: 1228: 1215: 1205: 1191: 1190: 1180: 1177: 1155: 1145:carbon dioxide 1140: 1137: 1136: 1126: 1111: 1110:Interpretation 1108: 1107: 1106: 1095: 1092: 1089: 1086: 1083: 1080: 1077: 1072: 1069: 1066: 1063: 1060: 1057: 1053: 1049: 1044: 1040: 1036: 1033: 1030: 1027: 1024: 1021: 1018: 1015: 1001: 1000: 986: 981: 977: 973: 970: 965: 960: 955: 951: 947: 944: 941: 935: 932: 929: 926: 923: 920: 917: 914: 911: 881: 878: 875: 872: 869: 866: 863: 860: 855: 850: 846: 842: 839: 836: 833: 830: 827: 824: 821: 818: 815: 812: 809: 803: 800: 797: 794: 769: 764: 760: 757: 754: 751: 747: 743: 740: 737: 734: 731: 727: 721: 716: 712: 708: 705: 701: 696: 692: 689: 686: 683: 680: 677: 674: 671: 668: 662: 659: 656: 653: 631: 628: 590: 584: 583: 577: 571: 565: 558: 557: 548: 547: 541: 539: 533: 526: 525: 519: 513: 511: 508: 507: 501: 495: 489: 482: 481: 475: 469: 463: 456: 455: 438: 437: 431: 425: 419: 412: 411: 405: 399: 393: 386: 385: 376: 375: 369: 363: 357: 350: 349: 336: 335: 333: 327: 321: 314: 313: 311: 306: 302: 296: 289: 288: 282: 281: 275: 270: 265: 260: 255: 250: 245: 242: 241: 232: 231: 225: 220: 215: 210: 205: 200: 195: 190: 185: 184: 175: 174: 168: 163: 159: 152: 151: 137: 131: 125: 118: 117: 94: 92: 89: 69:carbon dioxide 36: 35: 30: 24: 23: 15: 9: 6: 4: 3: 2: 2449: 2438: 2435: 2433: 2430: 2429: 2427: 2408: 2405: 2404: 2402: 2398: 2392: 2389: 2385: 2382: 2381: 2380: 2377: 2375: 2372: 2370: 2367: 2366: 2364: 2362: 2358: 2355: 2351: 2341: 2338: 2336: 2335:Hyperuricemia 2333: 2331: 2328: 2327: 2325: 2321: 2315: 2314:Hyperglycemia 2312: 2310: 2307: 2306: 2304: 2302: 2298: 2295: 2293: 2289: 2281: 2278: 2277: 2276: 2273: 2271: 2268: 2267: 2265: 2263: 2259: 2251: 2248: 2246: 2243: 2242: 2241: 2238: 2236: 2233: 2229: 2228:AST/ALT ratio 2226: 2224: 2221: 2219: 2216: 2215: 2214: 2213: 2212:transaminases 2209: 2207: 2204: 2200: 2197: 2195: 2192: 2191: 2189: 2188: 2186: 2184: 2180: 2174: 2171: 2169: 2166: 2164: 2161: 2159: 2156: 2154: 2153:Troponin test 2151: 2149: 2146: 2145: 2143: 2141: 2137: 2131: 2128: 2126: 2123: 2119: 2116: 2114: 2113:Triglycerides 2111: 2109: 2106: 2104: 2101: 2100: 2099: 2096: 2092: 2089: 2088: 2087: 2086:Blood glucose 2084: 2083: 2081: 2079: 2075: 2067: 2064: 2063: 2062: 2059: 2057: 2054: 2053: 2051: 2049: 2045: 2039: 2036: 2034: 2031: 2029: 2026: 2024: 2021: 2019: 2016: 2014: 2011: 2010: 2008: 2006: 2002: 1996: 1993: 1991: 1984: 1982: 1979: 1977: 1974: 1972: 1969: 1967: 1964: 1963: 1961: 1959: 1955: 1949: 1946: 1944: 1941: 1937: 1934: 1932: 1929: 1927: 1924: 1923: 1922: 1919: 1917: 1914: 1912: 1909: 1907: 1904: 1902: 1899: 1898: 1896: 1894: 1890: 1886: 1878: 1873: 1871: 1866: 1864: 1859: 1858: 1855: 1843: 1840: 1838: 1835: 1833: 1830: 1828: 1825: 1823: 1820: 1819: 1817: 1813: 1806: 1803: 1801: 1797: 1796:PAH clearance 1794: 1790: 1787: 1786: 1785: 1782: 1780: 1777: 1775: 1772: 1770: 1767: 1765: 1762: 1760: 1757: 1755: 1752: 1750: 1747: 1746: 1744: 1742: 1738: 1727: 1724: 1722: 1719: 1717: 1714: 1713: 1711: 1709: 1706: 1703: 1699: 1696: 1694: 1691: 1689: 1686: 1684: 1681: 1679: 1677: 1673: 1666: 1663: 1661: 1658: 1656: 1652: 1650: 1647: 1646: 1645: 1641: 1637: 1635: 1634:Fluid balance 1631: 1625: 1622: 1620: 1617: 1615: 1612: 1610: 1607: 1605: 1602: 1600: 1597: 1595: 1592: 1591: 1589: 1585: 1582: 1578: 1568: 1565: 1563: 1560: 1558: 1555: 1553: 1550: 1548: 1545: 1544: 1542: 1540: 1536: 1530: 1527: 1525: 1524:Oligopeptides 1522: 1520: 1517: 1515: 1512: 1510: 1507: 1505: 1502: 1500: 1497: 1496: 1494: 1490: 1484: 1481: 1479: 1476: 1474: 1471: 1469: 1466: 1465: 1463: 1459: 1456: 1454: 1449: 1445: 1441: 1434: 1429: 1427: 1422: 1420: 1415: 1414: 1411: 1405: 1402: 1400: 1397: 1395: 1394:acid-base.com 1392: 1391: 1380: 1375: 1369: 1364: 1356: 1350: 1346: 1339: 1337: 1328: 1322: 1318: 1311: 1307: 1298: 1295: 1293: 1289: 1286: 1284: 1281: 1280: 1271: 1267: 1264: 1263: 1262: 1260: 1253: 1249: 1245: 1241: 1238: 1235: 1232: 1229: 1227: 1223: 1219: 1216: 1213: 1212:ketone bodies 1209: 1206: 1204: 1200: 1199: 1198: 1196: 1189: 1185: 1181: 1178: 1176: 1172: 1171: 1170: 1168: 1164: 1159: 1152: 1150: 1146: 1134: 1130: 1127: 1124: 1120: 1117: 1116: 1115: 1093: 1090: 1087: 1084: 1081: 1078: 1075: 1067: 1064: 1061: 1058: 1051: 1047: 1042: 1038: 1034: 1031: 1028: 1025: 1022: 1019: 1016: 1013: 1006: 1005: 1004: 979: 975: 971: 958: 953: 949: 945: 942: 933: 930: 927: 924: 921: 918: 915: 912: 909: 902: 901: 900: 898: 892: 879: 876: 873: 870: 867: 864: 861: 853: 848: 844: 840: 837: 831: 828: 825: 822: 819: 816: 813: 810: 807: 801: 798: 795: 792: 784: 781: 767: 762: 758: 755: 752: 749: 745: 741: 738: 735: 732: 729: 725: 719: 714: 710: 706: 703: 699: 694: 690: 687: 684: 681: 678: 675: 672: 669: 666: 660: 657: 654: 651: 643: 641: 637: 627: 625: 621: 616: 613: 611: 607: 603: 599: 594: 581: 578: 575: 572: 569: 566: 563: 560: 559: 556: 554: 549: 545: 542: 540: 537: 534: 531: 528: 527: 523: 520: 517: 514: 512: 510: 509: 505: 502: 499: 496: 493: 490: 487: 484: 483: 479: 476: 473: 470: 467: 464: 461: 458: 457: 454: 452: 448: 444: 439: 435: 432: 429: 426: 423: 420: 417: 414: 413: 409: 406: 403: 400: 397: 394: 391: 388: 387: 384: 382: 377: 373: 370: 367: 364: 361: 358: 355: 352: 351: 348: 346: 342: 337: 334: 331: 328: 325: 322: 319: 316: 315: 312: 309: 303: 300: 297: 294: 291: 290: 287: 283: 279: 276: 273: 264: 261: 258: 249: 246: 244: 243: 240: 238: 233: 229: 226: 223: 214: 211: 208: 199: 196: 193: 187: 186: 183: 181: 176: 172: 169: 166: 160: 157: 154: 153: 145: 135: 132: 129: 126: 123: 120: 119: 116: 114: 110: 105: 102: 101:sample values 99: 88: 86: 81: 79: 75: 70: 66: 61: 59: 55: 51: 47: 43: 34: 31: 29: 25: 20: 2374:Elevated ALP 2340:Hypouricemia 2309:Hypoglycemia 2245:Unconjugated 2210: 1975: 1893:Electrolytes 1687: 1499:Solvent drag 1492:Reabsorption 1374: 1363: 1344: 1316: 1310: 1256: 1214:are produced 1192: 1160: 1153: 1148: 1138: 1113: 1002: 894: 785: 782: 644: 633: 617: 614: 601: 597: 595: 588: 551: 441: 379: 339: 323: 285: 237:ALVEOLAR GAS 235: 178: 113:ELECTROLYTES 107: 82: 62: 50:base deficit 49: 45: 39: 2323:Nitrogenous 2158:CPK-MB test 2098:Lipid panel 2033:Transferrin 1981:Bicarbonate 1976:Base excess 1885:blood tests 1837:Natriuresis 1702:Delta ratio 1688:Base excess 1599:Aldosterone 1167:bicarbonate 636:bicarbonate 620:Poul Astrup 85:bicarbonate 46:base excess 22:Base excess 2426:Categories 2250:Conjugated 2078:Metabolism 2018:Serum iron 2005:Iron tests 1926:Creatinine 1712:Buffering 1640:Body water 1619:Calcitriol 1539:Filtration 1303:References 1257:The serum 899:equation: 630:Estimation 606:hemoglobin 381:URINALYSIS 91:Definition 42:physiology 2240:Bilirubin 2190:Proteins 2168:Myoglobin 1966:Anion gap 1958:Acid-base 1906:Potassium 1698:Anion gap 1468:Clearance 1461:Secretion 1451:Creating 1259:anion gap 1220:, due to 1091:− 1082:× 1065:− 1048:× 1026:× 959:− 877:− 868:× 854:− 832:× 756:− 742:× 730:− 720:− 691:× 626:in 1958. 580:CSF/S glu 574:CSF/S alb 80:of 7.40. 74:titrating 2353:Proteins 2330:Azotemia 2262:Pancreas 2048:Hormones 2013:Ferritin 1911:Chloride 1587:Hormones 1509:Chloride 1270:chloride 1244:methanol 1237:Diarrhea 602:standard 326:= −0.36 2270:Amylase 1995:Lactate 1990:content 1916:Calcium 1529:Protein 1519:Glucose 1252:aspirin 1226:hypoxia 1149:opposes 1023:0.02786 568:CSF glu 562:CSF alb 516:AST/ALT 443:PROTEIN 424:= 1.01 410:= 0.95 356:= 300 230:= 7.40 33:11555-0 2275:Lipase 1901:Sodium 1660:Plasma 1504:Sodium 1351:  1323:  1094:124.58 880:124.58 805:  664:  598:actual 582:= 0.6 576:= 7.5 538:= 1.0 532:= 3.0 530:AF alb 524:= 0.2 518:= 0.6 506:= 0.5 494:= 4.0 480:= 0.7 468:= 7.6 462:= 100 436:= 800 398:= 100 372:BUN:Cr 362:= 295 301:= 2.0 295:= 9.5 286:OTHER: 274:= 105 173:= 1.0 130:= 100 124:= 140 2400:Other 1842:Urine 1815:Other 1609:Renin 1453:urine 1131:, or 1121:, or 1079:13.77 865:13.77 570:= 60 564:= 30 546:= 60 500:= 40 488:= 71 474:= 25 430:= 60 418:= 25 392:= 80 374:= 20 345:RENAL 332:= 16 320:= 55 280:= 10 278:A-a g 259:= 36 224:= 95 209:= 40 194:= 24 167:= 22 146:= 150 136:= 20 28:LOINC 1931:Urea 1774:Kt/V 1514:Urea 1442:and 1349:ISBN 1321:ISBN 829:0.93 739:14.8 733:24.4 688:0.93 622:and 536:SAAG 478:TBIL 408:FENa 404:= 5 368:= 5 310:= 1 158:= 4 54:base 48:and 2361:LFT 2235:GGT 2223:AST 2218:ALT 2206:ALP 2108:HDL 2103:LDL 1277:See 1186:or 1068:6.1 759:7.4 553:CSF 544:SOG 498:ALT 492:Alb 486:ALP 472:AST 460:LDH 428:UCr 422:USG 402:UAG 396:UCl 390:UNa 366:POG 360:PCO 354:PMO 189:HCO 171:PCr 144:Glu 134:BUN 109:BMP 40:In 2428:: 1986:CO 1642:: 1335:^ 1290:/ 1246:, 1052:10 640:pH 612:. 522:BU 504:BC 466:TP 447:GI 434:UO 416:UK 330:AG 324:BE 318:CK 305:PO 299:Mg 293:Ca 254:CO 228:pH 204:CO 162:CO 128:Cl 122:Na 78:pH 44:, 1988:2 1876:e 1869:t 1862:v 1807:) 1798:( 1704:) 1700:( 1667:) 1653:( 1432:e 1425:t 1418:v 1357:. 1329:. 1156:2 1141:2 1088:H 1085:p 1076:+ 1071:) 1062:H 1059:p 1056:( 1043:2 1039:O 1035:C 1032:a 1029:P 1020:= 1017:E 1014:B 985:] 980:2 976:O 972:C 969:[ 964:] 954:3 950:O 946:C 943:H 940:[ 934:g 931:o 928:l 925:+ 922:K 919:p 916:= 913:H 910:p 874:H 871:p 862:+ 859:] 849:3 845:O 841:C 838:H 835:[ 826:= 823:s 820:s 817:e 814:c 811:x 808:e 802:e 799:s 796:a 793:B 768:) 763:) 753:H 750:p 746:( 736:+ 726:] 715:3 711:O 707:C 704:H 700:[ 695:( 685:= 682:s 679:s 676:e 673:c 670:x 667:e 661:e 658:s 655:a 652:B 591:2 555:: 453:: 449:/ 445:/ 383:: 347:: 343:/ 307:4 271:2 269:O 266:A 263:p 256:2 251:A 248:p 239:: 221:2 219:O 216:a 213:p 206:2 201:a 198:p 191:3 182:: 164:2 156:K 149:\ 140:/ 115:: 111:/

Index

LOINC
11555-0
physiology
base
reference range
acid/base disturbance
carbon dioxide
titrating
pH
bicarbonate
Pathophysiology
sample values
BMP
ELECTROLYTES
Na
Cl
BUN
Glu
K
CO2
PCr
ARTERIAL BLOOD GAS
HCO3
p
CO2
p
O2
pH
ALVEOLAR GAS
p

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