157:
20:
361:
Pedley, D. K.; Brett, C; Nichol, N (2002). "P-R segment depression: An early diagnostic feature in acute pericarditis: A telephone survey of UK accident and emergency departments".
289:
Costello, J. M.; Alexander, M. E.; Greco, K. M.; Perez-Atayde, A. R.; Laussen, P. C. (2009). "Lyme
Carditis in Children: Presentation, Predictive Factors, and Clinical Course".
422:
77:
A long PR interval (of over 200 ms) indicates a slowing of conduction between the atria and ventricles, usually due to slow conduction through the
228:
645:
161:
917:
415:
129:
121:
345:
204:
125:
1014:
408:
1019:
558:
58:
depolarization); it is normally between 120 and 200 ms in duration. The PR interval is sometimes termed the
935:
690:
668:
173:
40:
930:
675:
756:
232:
960:
907:
783:
763:
727:
650:
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431:
246:
Karacan M, Ceviz N, Olgun H (2012). "Heart rate variability in children with acute rheumatic fever".
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842:
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8:
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573:
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200:
133:
55:
390:
318:
275:
940:
535:
370:
298:
255:
790:
520:
70:
Variations in the PQ interval can be associated with certain medical conditions:
39:
is the period, measured in milliseconds, that extends from the beginning of the
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461:
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47:
44:
259:
1008:
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982:
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596:
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149:
110:
94:
24:
987:
977:
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140:
98:
51:
925:
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583:
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PQ segment divided into parts corresponding to the location in heart's
90:
857:
628:
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19:
885:
616:
106:
86:
288:
116:
A short PR interval (of less than 120ms) may be associated with a
880:
720:
715:
852:
439:
430:
199:. Huang, David T.,, Prinzi, Travis. Berlin. December 2014.
197:
Clinical cardiac electrophysiology in clinical practice
148:
PR segment depression may indicate atrial injury or
139:A variable PR interval may indicate other types of
360:
245:
1006:
416:
93:, medications that slow the AV node such as
239:
423:
409:
227:: CS1 maint: location missing publisher (
155:
18:
432:Physiology of the cardiovascular system
1007:
363:European Journal of Emergency Medicine
130:atrioventricular reentrant tachycardia
128:, and also junctional arrhythmia like
85:. Prolongation can be associated with
404:
23:Schematic representation of a normal
191:
189:
338:Clinical Examinations in Cardiology
331:
13:
14:
1031:
186:
65:
375:10.1097/00063110-200203000-00010
332:Rao, B.N. Vijay Raghawa (2009).
354:
325:
282:
122:Wolff–Parkinson–White syndrome
1:
559:Aortic valve area calculation
179:
50:) until the beginning of the
16:Period in electrocardiography
162:electrical conduction system
81:(AV node). This is known as
7:
676:Effective refractory period
555:) / End-diastolic dimension
167:
126:Lown–Ganong–Levine syndrome
10:
1036:
334:"Evolution of ECG Changes"
1015:Cardiac electrophysiology
961:Tubuloglomerular feedback
916:
908:Critical closing pressure
866:
833:
819:
799:
736:
728:Hexaxial reference system
651:Cardiac electrophysiology
638:
582:
534:
447:
438:
260:10.1017/S1047951111001429
936:Renin–angiotensin system
118:Pre-excitation syndromes
83:first degree heart block
966:Cerebral autoregulation
931:Kinin–kallikrein system
898:Jugular venous pressure
548:End-diastolic dimension
526:Pressure volume diagram
903:Portal venous pressure
893:Mean arterial pressure
807:Ventricular remodeling
553:End-systolic dimension
511:Cardiac function curve
303:10.1542/peds.2008-3058
164:
28:
1020:Diagnostic cardiology
544:Fractional shortening
231:) CS1 maint: others (
159:
103:acute rheumatic fever
89:of the AV node, high
79:atrioventricular node
22:
484:End-diastolic volume
848:Vascular resistance
686:Electrocardiography
681:Pacemaker potential
611:Conduction velocity
516:Venous return curve
489:End-systolic volume
33:electrocardiography
956:Myogenic mechanism
574:Left atrial volume
506:Frank–Starling law
340:. pp. 561–2.
165:
29:
1002:
1001:
998:
997:
815:
814:
655:Action potential
646:Conduction system
592:Cardiac pacemaker
564:Ejection fraction
347:978-81-312-0964-6
206:978-1-4471-5433-4
134:junctional rhythm
1027:
941:Vasoconstrictors
918:Regulation of BP
831:
830:
764:pulmonary artery
737:Chamber pressure
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109:associated with
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821:Vascular system
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619:(Contractility)
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521:Wiggers diagram
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951:Autoregulation
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876:Pulse pressure
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868:Blood pressure
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744:Central venous
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625:(Excitability)
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462:Cardiac output
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449:Cardiac output
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297:(5): e835–41.
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67:
66:Interpretation
64:
54:(the onset of
48:depolarization
43:(the onset of
15:
9:
6:
4:
3:
2:
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1021:
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569:Cardiac index
567:
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560:
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533:
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482:
481:
480:
479:Stroke volume
477:
473:
472:Stroke volume
470:
468:
465:
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463:
460:
458:
457:Cardiac cycle
455:
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368:
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357:
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328:
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316:
312:
308:
304:
300:
296:
292:
285:
277:
273:
269:
265:
261:
257:
254:(3): 285–92.
253:
249:
248:Cardiol Young
242:
234:
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208:
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95:beta-blockers
92:
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63:
61:
57:
53:
49:
46:
42:
38:
34:
26:
21:
983:Carotid body
946:Vasodilators
826:hemodynamics
695:
631:(Relaxation)
623:Bathmotropic
597:Chronotropic
366:
362:
356:
337:
327:
294:
290:
284:
251:
247:
241:
196:
150:pericarditis
111:Lyme disease
69:
59:
36:
30:
25:sinus rhythm
988:Glomus cell
978:Aortic body
973:Paraganglia
784:ventricular
757:ventricular
706:QT interval
701:QRS complex
696:PR interval
669:ventricular
607:Dromotropic
369:(1): 43–5.
141:heart block
99:hypokalemia
60:PQ interval
56:ventricular
52:QRS complex
37:PR interval
1009:Categories
926:Baroreflex
843:Compliance
835:Blood flow
711:ST segment
639:Conduction
629:Lusitropic
601:Heart rate
584:Heart rate
536:Ultrasound
467:Heart rate
291:Pediatrics
180:References
91:vagal tone
886:Diastolic
858:Perfusion
617:Inotropic
496:Afterload
223:cite book
215:897466910
74:Duration
881:Systolic
659:cardiac
391:22919251
383:11989495
319:25270378
311:19403477
276:25845504
268:21933462
168:See also
120:such as
107:carditis
87:fibrosis
27:EKG wave
501:Preload
791:Aortic
779:atrial
752:atrial
748:Right
721:U wave
716:T wave
691:P wave
664:atrial
389:
381:
344:
317:
309:
274:
266:
213:
203:
174:P wave
45:atrial
41:P wave
35:, the
853:Pulse
800:Other
775:Left
769:wedge
440:Heart
387:S2CID
315:S2CID
272:S2CID
105:, or
379:PMID
342:ISBN
307:PMID
264:PMID
233:link
229:link
211:OCLC
201:ISBN
546:= (
371:doi
299:doi
295:123
256:doi
132:or
124:or
31:In
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385:.
377:.
365:.
336:.
313:.
305:.
293:.
270:.
262:.
252:22
250:.
225:}}
221:{{
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188:^
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609:(
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373::
367:9
350:.
321:.
301::
278:.
258::
235:)
217:.
152:.
143:.
136:.
113:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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