TABLE 1

Characteristics of 22 Patients

Patient no.	Age (y)	Sex	ECG findings	LVEF (%)	Histologic diagnosis of extracardiac sarcoidosis	Blood glucose (mg/dL)	Serum ACE (IU/L 37°C)
Group A
1	69	M	Complete AVB	41	Myocardium	103	7.4
2	69	F	Second AVB	45	Myocardium	85	8.8
3	65	F	ST-T change, VT	33	Myocardium	82	12.3
4	73	F	ST-T change, second AVB	47	Intraabdominal LN	91	14.4
5	52	F	CRBBB, ST-T change, VT	71	TBLB	76	12.5
6	46	F	CRBBB + LAH, second AVB	40	TBLB	74	30.1
7	55	F	CRBBB + LAH, first AVB, VT	42	Scalene node	104	11.1
8	78	F	ST-T change, second AVB	67	Scalene node	92	13.4
9	73	F	Second AVB, PSVT	57	Skin	94	22.4
10	62	F	CRBBB + LAH, VT	47	Skin	72	30.0
11	62	F	Second AVB	68	Skin	81	18.3
Group B
12	62	F	Normal	71	TBLB	95	3.5
13	54	F	CRBBB	80	TBLB	85	19.7
14	44	M	Normal	78	TBLB	77	30.2
15	37	F	Normal	60	TBLB	84	39.3
16	56	F	Normal	76	TBLB	102	12.5
17	74	F	CRBBB	82	Scalene node	79	20.7
18	67	M	Normal	67	Scalene node	101	12.1
19	66	F	Normal	67	Skin	92	27.8
20	71	F	Normal	68	Skin	74	11.2
21	64	F	Normal	75	Skin	82	26.0
22	68	F	ST-T change	73	Skin	104	18.0

ECG = electrocardiography; LVEF = left ventricular ejection fraction; ACE = angiotensin-converting enzyme; AVB = atrioventricular block; VT = ventricular tachycardia; LN = lymph node; CRBBB = complete right bundle branch block; TBLB = transbronchial lung biopsy; LAH = left anterior hemiblock; PSVT = paroxymal supraventricular tachycardia.