64:
20:
49:
It starts at the J point (junction between the QRS complex and ST segment) and ends at the beginning of the T wave. However, since it is usually difficult to determine exactly where the ST segment ends and the T wave begins, the relationship between the ST segment and T wave should be examined
215:
Mansano, R. Z.; Beall, M. H.; Ross, M. G. (2007). "Fetal ST segment heart rate analysis in labor: Improvement of intervention criteria using interpolated base deficit".
276:
50:
together. The typical ST segment duration is usually around 0.08 sec (80 ms). It should be essentially level with the PR and TP segments.
499:
176:
771:
269:
53:
The ST segment represents the isoelectric period when the ventricles are in between depolarization and repolarization.
868:
262:
160:
873:
130:, ST waveform analysis (sometimes abbreviated STAN) is used to get an indication of increasing levels of fetal
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819:
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756:
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406:
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84:
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8:
701:
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31:
24:
809:
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114:
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232:
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74:
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721:
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862:
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102:
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131:
80:
841:
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110:
39:
87:. An elevation of >1mm and longer than 80 milliseconds following the
779:
454:
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320:
711:
482:
349:
19:
739:
470:
95:
rate of 15-20% (which is slightly higher in women than men) and a
734:
88:
574:
569:
43:
706:
293:
284:
73:
Flat, downsloping, or depressed ST segments may indicate
46:
and has a duration of 0.005 to 0.150 sec (5 to 150 ms).
183:. 2010-03-25. Archived from the original on 2010-03-25
70:
The normal ST segment has a slight upward concavity.
67:
Illustration of ST segment elevation and depression
860:
214:
217:Journal of Maternal-Fetal and Neonatal Medicine
270:
169:
150:
277:
263:
62:
18:
286:Physiology of the cardiovascular system
861:
121:
105:may be associated with subendocardial
258:
155:. Lippincott Williams & Wilkins.
23:Schematic representation of normal
13:
14:
885:
153:Pocket Medicine (Pocket Notebook)
56:
16:Feature of an electrocardiogram
208:
144:
1:
413:Aortic valve area calculation
137:
7:
530:Effective refractory period
409:) / End-diastolic dimension
10:
890:
869:Cardiac electrophysiology
815:Tubuloglomerular feedback
770:
762:Critical closing pressure
720:
687:
673:
653:
590:
582:Hexaxial reference system
505:Cardiac electrophysiology
492:
436:
388:
301:
292:
229:10.1080/14767050601055279
200:: CS1 maint: unfit URL (
128:fetal electrocardiography
790:Renin–angiotensin system
83:may indicate transmural
820:Cerebral autoregulation
785:Kinin–kallikrein system
752:Jugular venous pressure
402:End-diastolic dimension
380:Pressure volume diagram
757:Portal venous pressure
747:Mean arterial pressure
661:Ventricular remodeling
407:End-systolic dimension
365:Cardiac function curve
68:
27:
874:Diagnostic cardiology
398:Fractional shortening
107:myocardial infarction
91:. This measure has a
85:myocardial infarction
66:
22:
338:End-diastolic volume
151:Sabatine MS (2000).
702:Vascular resistance
540:Electrocardiography
535:Pacemaker potential
465:Conduction velocity
370:Venous return curve
343:End-systolic volume
122:In fetal monitoring
32:electrocardiography
810:Myogenic mechanism
428:Left atrial volume
360:Frank–Starling law
115:digitalis toxicity
69:
28:
856:
855:
852:
851:
669:
668:
509:Action potential
500:Conduction system
446:Cardiac pacemaker
418:Ejection fraction
75:coronary ischemia
881:
795:Vasoconstrictors
772:Regulation of BP
685:
684:
618:pulmonary artery
591:Chamber pressure
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298:
279:
272:
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212:
206:
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177:"Reading an EKG"
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889:
888:
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883:
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859:
858:
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848:
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675:Vascular system
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473:(Contractility)
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384:
375:Wiggers diagram
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99:rate of 20–30%.
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5:
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805:Autoregulation
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730:Pulse pressure
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722:Blood pressure
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598:Central venous
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479:(Excitability)
474:
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316:Cardiac output
313:
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303:Cardiac output
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207:
168:
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142:
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123:
120:
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100:
97:false negative
93:false positive
78:
71:
58:
57:Interpretation
55:
15:
9:
6:
4:
3:
2:
886:
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829:
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441:
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429:
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423:Cardiac index
421:
419:
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333:Stroke volume
331:
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326:Stroke volume
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311:Cardiac cycle
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162:0-7817-1649-7
158:
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103:ST depression
101:
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65:
61:
60:
54:
51:
47:
45:
41:
38:connects the
37:
33:
26:
21:
837:Carotid body
800:Vasodilators
680:hemodynamics
564:
485:(Relaxation)
477:Bathmotropic
451:Chronotropic
223:(1): 47–52.
220:
216:
210:
185:. Retrieved
180:
171:
152:
146:
132:base deficit
125:
81:ST elevation
52:
48:
35:
29:
842:Glomus cell
832:Aortic body
827:Paraganglia
638:ventricular
611:ventricular
560:QT interval
555:QRS complex
550:PR interval
523:ventricular
461:Dromotropic
111:hypokalemia
40:QRS complex
863:Categories
780:Baroreflex
697:Compliance
689:Blood flow
565:ST segment
493:Conduction
483:Lusitropic
455:Heart rate
438:Heart rate
390:Ultrasound
321:Heart rate
187:2021-11-04
138:References
36:ST segment
740:Diastolic
712:Perfusion
471:Inotropic
350:Afterload
735:Systolic
513:cardiac
245:10815181
237:17437199
196:cite web
42:and the
355:Preload
181:uab.edu
89:J-point
645:Aortic
633:atrial
606:atrial
602:Right
575:U wave
570:T wave
545:P wave
518:atrial
243:
235:
159:
44:T wave
34:, the
707:Pulse
654:Other
629:Left
623:wedge
294:Heart
241:S2CID
113:, or
233:PMID
202:link
157:ISBN
400:= (
225:doi
126:In
30:In
25:ECG
865::
239:.
231:.
221:20
219:.
198:}}
194:{{
179:.
134:.
109:,
677:/
467:)
463:(
457:)
453:(
278:e
271:t
264:v
247:.
227::
204:)
190:.
165:.
117:.
77:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
