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Chronotropic

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Chronotropic variables can be considered in systolic myocardial left and right sides. Left sided systolic chronotropy can be appreciated as Aortic Valve open to close time. Right sided variables are represented by pulmonary valve open to close time. Inverted as diastolic chronotropy, the variables
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Alboni, P.; Menozzi, C.; Brignole, M.; Paparella, N.; Gaggioli, G.; Lolli, G.; Cappato, R. (1997). "Effects of Permanent Pacemaker and Oral Theophylline in Sick Sinus Syndrome: The THEOPACE Study: A Randomized Controlled Trial".
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are aortic valve close to open and pulmonic close to open time. Pharmaceutical manipulation of chronotropic properties was perhaps first appreciated by the introduction of
422: 1059: 189:(AV node) conduction. A positive dromotrope increases AV nodal conduction, and a negative dromotrope decreases AV nodal conduction. A 1088: 645: 163: 917: 415: 1052: 100: 72: 1078: 408: 1045: 119: 79: 1083: 57: 86: 558: 53: 935: 690: 668: 930: 675: 68: 756: 960: 907: 783: 763: 727: 650: 610: 431: 778: 768: 658: 965: 897: 842: 743: 663: 547: 525: 46: 543: 902: 892: 806: 552: 510: 505: 1025: 751: 186: 500: 483: 201: 400: 93: 8: 1021: 847: 685: 680: 515: 488: 218: 178:. Positive chronotropes increase heart rate; negative chronotropes decrease heart rate. 955: 820: 573: 381: 354: 1033: 591: 563: 386: 335: 940: 535: 376: 366: 327: 790: 520: 175: 1029: 1013: 950: 875: 867: 461: 448: 1072: 568: 478: 471: 456: 371: 281: 272: 238: 159: 331: 982: 972: 945: 834: 825: 622: 390: 248: 171: 339: 316: 987: 977: 705: 700: 695: 606: 292: 233: 182: 167: 925: 710: 600: 583: 466: 296: 276: 144: 24: 20: 857: 628: 495: 265: 261: 243: 205: 190: 35: 885: 616: 228: 223: 197: 880: 286: 720: 715: 852: 439: 155: 151: 430: 60:. Unsourced material may be challenged and removed. 1070: 193:is an agent that affects diastolic relaxation. 1053: 416: 264:, though it turns out that digitalis has an 352: 346: 1060: 1046: 423: 409: 310: 268:effect rather than a chronotropic effect. 380: 370: 164:electrical conduction system of the heart 120:Learn how and when to remove this message 254: 211: 432:Physiology of the cardiovascular system 1071: 143:, "a turn") are those that change the 404: 1008: 58:adding citations to reliable sources 29: 13: 16:Effects that change the heart rate 14: 1100: 1089:Cardiovascular system drug stubs 1012: 34: 355:"A Brief History of Pacemaking" 45:needs additional citations for 1: 559:Aortic valve area calculation 303: 1032:. 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(2020). 291:Pacemaker current (i.e. 168:nerves that influence it 19:Not to be confused with 966:Cerebral autoregulation 931:Kinin–kallikrein system 898:Jugular venous pressure 548:End-diastolic dimension 526:Pressure volume diagram 359:Frontiers in Physiology 332:10.1161/01.CIR.96.1.260 903:Portal venous pressure 893:Mean arterial pressure 807:Ventricular remodeling 553:End-systolic dimension 511:Cardiac function curve 1084:Antiarrhythmic agents 1026:cardiovascular system 544:Fractional shortening 255:Negative chronotropes 212:Positive chronotropes 187:atrioventricular node 484:End-diastolic volume 139:, meaning time, and 54:improve this article 848:Vascular resistance 686:Electrocardiography 681:Pacemaker potential 611:Conduction velocity 516:Venous return curve 489:End-systolic volume 295:) inhibitors (e.g. 219:Adrenergic agonists 956:Myogenic mechanism 574:Left atrial volume 506:Frank–Starling law 172:rhythm produced by 1041: 1040: 1002: 1001: 998: 997: 815: 814: 655:Action potential 646:Conduction system 592:Cardiac pacemaker 564:Ejection fraction 162:by affecting the 130: 129: 122: 104: 1096: 1062: 1055: 1048: 1016: 1009: 941:Vasoconstrictors 918:Regulation of BP 831: 830: 764:pulmonary artery 737:Chamber pressure 445: 444: 425: 418: 411: 402: 401: 395: 394: 384: 374: 350: 344: 343: 314: 125: 118: 114: 111: 105: 103: 62: 38: 30: 1104: 1103: 1099: 1098: 1097: 1095: 1094: 1093: 1069: 1068: 1067: 1066: 1005: 1003: 994: 912: 862: 824: 821:Vascular system 811: 795: 732: 634: 619:(Contractility) 578: 530: 521:Wiggers diagram 434: 429: 399: 398: 351: 347: 315: 311: 306: 257: 214: 176:sinoatrial node 154:may change the 126: 115: 109: 106: 63: 61: 51: 39: 28: 17: 12: 11: 5: 1102: 1092: 1091: 1086: 1081: 1065: 1064: 1057: 1050: 1042: 1039: 1038: 1017: 1000: 999: 996: 995: 993: 992: 991: 990: 985: 980: 970: 969: 968: 963: 958: 951:Autoregulation 948: 943: 938: 933: 928: 922: 920: 914: 913: 911: 910: 905: 900: 895: 890: 889: 888: 883: 876:Pulse pressure 872: 870: 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Index

Chronotype
Chronotope

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improve this article
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"Chronotropic"
news
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scholar
JSTOR
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heart rate
drugs
heart
rhythm
electrical conduction system of the heart
nerves that influence it
rhythm produced by
sinoatrial node
dromotrope
atrioventricular node
lusitrope
inotropes
preload
afterload
Adrenergic agonists
Atropine
Dopamine

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