Abstract 66 Table 1

No.	Age	Sex	Ethnicity	Symptoms	Circumstances of death	Heart weight	MWT	LV fibrosis	RV fibrosis	Valvular abnormalities	Other diagnosis

1	7	Male	White	Known WPW, asymptomatic	Unknown	200		No	No	No	Normal heart
2	48	Male	White	Known WPW, asymptomatic	Died at rest	526	20	Yes	No	No	HCM
3	28	Male	White	Known WPW, palpitations, previous attempted ablation	Died at sleep	316	19	No	No	No	Mild LVH
4	20	Male	Indian	Known WPW, palpitations, planned ablation	Died at rest	237	9	No	No	No	Normal heart
5	26	Male	White	Recent diagnosis of WPW, palpitations	Died at rest	361	16	No	No	No	Normal heart
6	20	Male	White	Known WPW, palpitations, symptom free for 11 years, recent palpitations	Died at rest	444	14	No	No	No	Normal heart
7	20	Female	White	Known WPW, palpitations	Died at rest	311		No	No	No	Normal heart
8	27	Male	White	Known WPW, previous ablation	Died during exertion	426	21	No	No	No	Normal heart
9	24	Male	White	Known WPW, previous ablation	Died at rest	578		No	No	No	ILVH
10	46	Male	Black	Known WPW, currently under evaluation	Died at rest	474	16	No	No	No	Cardiac sarcoid
11	33	Male	White	Known WPW, palpitations	Died at rest	532	21	No	No	No	Enlarged left ventricle
12	50	Female	White	Known WPW, asymptomatic	Died during sleep	384	18	No	No	No	HCM
13	16	Male	White	Known WPW, palpitations	Died at rest	366	25	No	No	No	HCM
14	26	Male	White	Known WPW, athlete, asymptomatic	Died during exertion	510		Yes	No	No	HCM
15	36	Male	White	Known WPW, syncopal episode	Died at rest	498		Yes	No	No	Idiopathic fibrosis
16	18	Male	White	Known WPW, asymptomatic	Died at rest	390	19	No	No	No	Normal heart
17	55	Female	White	Known WPW, palpitations, on betablockers	Died at rest	385	13	No	No	No	Normal heart
18	65	Male	White	Known WPW, palpitations, previous ablation	Died at rest	516		No	No	No	Normal heart
19	28	male	White	Known WPW, palpitations, previous ablation	Died during sleep	302	12	No	No	No	Normal heart