Comparison of formulae for heart rate correction of QT interval in exercise ECGs from healthy children

A Benatar; T Decraene

doi:10.1136/hrt.86.2.199

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Congenital heart disease

Comparison of formulae for heart rate correction of QT interval in exercise ECGs from healthy children

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Online download statistics by month: July 2001 to March 2024

	Abstract	Full	Pdf
Jul 2001	78	85	23
Aug 2001	43	63	12
Sep 2001	6	30	14
Oct 2001	2	23	10
Nov 2001	11	19	5
Dec 2001	4	23	10
Jan 2002	0	20	4
Feb 2002	1	14	5
Mar 2002	1	18	13
Apr 2002	2	12	11
May 2002	5	7	7
Jun 2002	0	6	3
Jul 2002	5	15	6
Aug 2002	1	15	7
Sep 2002	1	3	0
Oct 2002	3	5	3
Nov 2002	1	15	8
Dec 2002	3	4	4
Jan 2003	2	12	10
Feb 2003	1	9	3
Mar 2003	2	12	6
Apr 2003	2	9	5
May 2003	4	7	5
Jun 2003	0	9	4
Jul 2003	4	7	1
Aug 2003	26	12	2
Sep 2003	18	19	7
Oct 2003	28	17	5
Nov 2003	31	17	4
Dec 2003	16	23	16
Jan 2004	36	14	3
Feb 2004	24	10	2
Mar 2004	27	15	7
Apr 2004	16	15	5
May 2004	42	30	7
Jun 2004	40	63	7
Jul 2004	52	75	16
Aug 2004	51	63	18
Sep 2004	50	89	27
Oct 2004	30	86	26
Nov 2004	17	59	19
Dec 2004	18	44	17
Jan 2005	27	132	41
Feb 2005	23	117	37
Mar 2005	33	176	46
Apr 2005	22	158	28
May 2005	18	131	22
Jun 2005	21	134	35
Jul 2005	8	143	28
Aug 2005	30	95	35
Sep 2005	26	126	41
Oct 2005	52	93	19
Nov 2005	35	163	31
Dec 2005	29	150	35
Jan 2006	15	220	31
Feb 2006	22	165	27
Mar 2006	20	189	34
Apr 2006	18	169	38
May 2006	29	166	26
Jun 2006	14	152	24
Jul 2006	18	181	30
Aug 2006	25	155	35
Sep 2006	12	175	59
Oct 2006	31	266	76
Nov 2006	16	278	77
Dec 2006	12	215	50
Jan 2007	14	321	69
Feb 2007	26	276	81
Mar 2007	38	321	77
Apr 2007	172	85	25
May 2007	131	116	27
Jun 2007	146	107	24
Jul 2007	84	147	39
Aug 2007	167	98	25
Sep 2007	60	54	23
Oct 2007	72	53	19
Nov 2007	84	62	30
Dec 2007	79	53	17
Jan 2008	55	31	18
Feb 2008	43	11	16
Mar 2008	36	7	10
Apr 2008	76	57	24
May 2008	49	63	19
Jun 2008	60	30	13
Jul 2008	80	45	16
Aug 2008	87	32	8
Sep 2008	45	43	8
Oct 2008	48	26	7
Nov 2008	46	18	7
Dec 2008	49	23	2
Jan 2009	40	20	2
Feb 2009	52	29	8
Mar 2009	70	39	7
Apr 2009	57	37	9
May 2009	50	29	8
Jun 2009	36	40	6
Jul 2009	60	26	5
Aug 2009	41	27	8
Sep 2009	50	29	4
Oct 2009	47	24	3
Nov 2009	57	39	11
Dec 2009	61	21	6
Jan 2010	239	30	6
Feb 2010	255	12	3
Mar 2010	287	34	8
Apr 2010	227	36	5
May 2010	221	39	5
Jun 2010	140	39	8
Jul 2010	64	27	8
Aug 2010	171	67	23
Sep 2010	411	123	38
Oct 2010	158	61	21
Nov 2010	103	64	9
Dec 2010	82	53	24
Jan 2011	69	34	5
Feb 2011	85	30	12
Mar 2011	109	48	35
Apr 2011	57	31	17
May 2011	58	39	15
Jun 2011	52	23	9
Jul 2011	62	33	8
Aug 2011	67	22	16
Sep 2011	67	29	10
Oct 2011	74	34	7
Nov 2011	60	53	11
Dec 2011	67	88	65
Jan 2012	38	90	10
Feb 2012	13	74	14
Mar 2012	16	94	6
Apr 2012	23	90	14
May 2012	36	73	26
Jun 2012	23	59	12
Jul 2012	36	24	11
Aug 2012	42	32	3
Sep 2012	51	26	4
Oct 2012	152	33	9
Nov 2012	83	31	7
Dec 2012	48	27	8
Jan 2013	71	38	8
Feb 2013	53	25	6
Mar 2013	57	55	5
Apr 2013	40	30	7
May 2013	41	25	6
Jun 2013	16	18	1
Jul 2013	22	37	4
Aug 2013	63	29	2
Sep 2013	50	71	4
Oct 2013	29	19	10
Nov 2013	94	20	7
Dec 2013	65	15	7
Jan 2014	6	6	1
Feb 2014	20	16	9
Mar 2014	33	19	9
Apr 2014	35	11	8
May 2014	39	16	18
Jun 2014	36	7	8
Jul 2014	10	16	16
Aug 2014	29	8	6
Sep 2014	21	14	10
Oct 2014	10	12	3
Nov 2014	10	24	1
Dec 2014	5	19	6
Jan 2015	16	12	3
Feb 2015	15	22	8
Mar 2015	31	11	12
Apr 2015	15	14	5
May 2015	24	6	6
Jun 2015	19	5	11
Jul 2015	27	8	4
Aug 2015	17	4	6
Sep 2015	33	7	10
Oct 2015	16	10	6
Nov 2015	21	10	7
Dec 2015	24	7	4
Jan 2016	26	3	10
Feb 2016	21	7	5
Mar 2016	21	8	10
Apr 2016	22	3	7
May 2016	27	8	4
Jun 2016	32	7	4
Jul 2016	32	14	13
Aug 2016	34	5	5
Sep 2016	47	9	14
Oct 2016	45	17	14
Nov 2016	32	14	13
Dec 2016	26	10	7
Jan 2017	39	12	11
Feb 2017	13	9	12
Mar 2017	5	34	5
Apr 2017	3	60	5
May 2017	2	51	9
Jun 2017	14	29	5
Jul 2017	27	26	8
Aug 2017	47	43	15
Sep 2017	48	44	33
Oct 2017	43	39	32
Nov 2017	102	94	15
Dec 2017	80	64	11
Jan 2018	35	31	11
Feb 2018	47	30	13
Mar 2018	59	35	8
Apr 2018	121	116	17
May 2018	43	33	11
Jun 2018	40	34	8
Jul 2018	29	27	10
Aug 2018	36	34	27
Sep 2018	52	50	9
Oct 2018	81	75	13
Nov 2018	86	78	13
Dec 2018	50	44	7
Jan 2019	60	51	9
Feb 2019	44	40	15
Mar 2019	38	26	14
Apr 2019	37	23	11
May 2019	14	6	14
Jun 2019	10	3	13
Jul 2019	6	6	14
Aug 2019	11	4	7
Sep 2019	18	16	5
Oct 2019	37	10	6
Nov 2019	30	12	7
Dec 2019	28	22	10
Jan 2020	35	28	10
Feb 2020	30	21	9
Mar 2020	19	11	17
Apr 2020	50	39	16
May 2020	22	20	14
Jun 2020	24	12	10
Jul 2020	20	20	13
Aug 2020	26	17	11
Sep 2020	19	15	4
Oct 2020	21	11	7
Nov 2020	77	26	30
Dec 2020	61	29	28
Jan 2021	30	21	21
Feb 2021	13	10	23
Mar 2021	29	21	26
Apr 2021	22	8	25
May 2021	17	16	13
Jun 2021	13	13	4
Jul 2021	20	20	14
Aug 2021	7	7	7
Sep 2021	7	7	9
Oct 2021	16	8	24
Nov 2021	50	27	20
Dec 2021	27	17	13
Jan 2022	36	24	20
Feb 2022	24	15	8
Mar 2022	20	9	11
Apr 2022	17	13	4
May 2022	21	15	17
Jun 2022	11	10	18
Jul 2022	11	6	1
Aug 2022	48	35	9
Sep 2022	15	8	16
Oct 2022	29	8	12
Nov 2022	53	11	13
Dec 2022	15	10	7
Jan 2023	14	5	7
Feb 2023	52	41	5
Mar 2023	13	7	5
Apr 2023	11	10	14
May 2023	10	4	6
Jun 2023	12	8	3
Jul 2023	8	5	8
Aug 2023	27	9	9
Sep 2023	15	5	3
Oct 2023	24	8	2
Nov 2023	28	17	1
Dec 2023	17	0	0
Jan 2024	27	3	0
Feb 2024	40	3	5
Mar 2024	17	1	0
Total	11557	11979	3800

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