Hyperthyroidism and severe bradycardia: Report of three cases and review of the literature

Table 1 Features of 34 cases of hyperthyroidism and severe bradycardia

Number	Reference	Year	Age in yr	Sex	Bradycardia type
1	[6]	1970	22	F	Complete AVB
2	[7]	1980	55	F	2nd degree AVB
3	[8]	1985	55	F	Complete AVB
4	[9]	1985	54	F	Complete AVB
5	[10]	1990	29	M	Complete AVB
6	[11]	1998	16	F	Complete AVB
7	[12]	2001	60	F	Complete AVB
8	[12]	2001	30	F	Complete AVB
9	[13]	2005	50	M	Complete AVB
10	[13]	2005	68	F	Complete AVB
11	[14]	2006	67	M	Complete AVB
12	[15]	2007	40	M	Complete AVB
13	[16]	2008	59	M	Complete AVB
14	[17]	2009	28	F	Complete AVB
15	[18]	2011	55	F	Complete AVB
16	[19]	2012	37	F	Complete AVB
17	[20]	2012	71	F	2nd degree AVB
18	[21]	2014	75	F	2nd degree AVB
19	[22]	2015	30	M	2nd degree AVB
20	[23]	2017	10	F	2nd degree AVB
21	[24]	2020	28	F	Complete AVB
22	[25]	1972	21	F	SSS
23	[25]	1972	26	M	SSS
24	[25]	1972	63	F	SSS
25	[26]	1990	65	F	SSS
26	[27]	1995	50	F	SSS
27	[28]	1999	22	M	SSS
28	[29]	2006	36	M	SSS
29	[30]	2017	48	F	SSS
30	[30]	2017	63	F	SSS
31	[30]	2017	66	F	SSS
32	This report	2019	63	F	SSS
33	This report	2019	76	F	SSS
34	This report	2020	60	M	SSS

AVB: Atrioventricular block; F: Female, M: Male; SSS: Sick sinus syndrome.