Artefacts in 1.5 Tesla and 3 Tesla cardiovascular magnetic resonance imaging in patients with leadless cardiac pacemakers

Table 3 Artefact burden of myocardial segments of the LV and RV according to the AHA myocardial segmentation system in the short axis (n = 14)

All [%]	Basal						Mid						Apical				RV
Artefact	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	basal	mid	apical
grade 1	92.9	78.6	85.7	100	100	100	64.3	21.4	21.4	78.6	100	100	35.7	7.1	42.9	100	100	42.9	0
grade 2	0	14.3	14.3	0	0	0	28.6	28.6	28.6	14.3	0	0	42.9	7.1	14.3	0	0	35.7	7.1
grade 3	7.1	0	0	0	0	0	7.1	7.1	14.3	7.1	0	0	21.4	14.3	42.9	0	0	14.3	21.4
grade 4	0	7.1	0	0	0	0	0	42.9	35.7	0	0	0	0	71.4	0	0	0	7.1	71.4
3 T	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	basal	mid	apical
grade 1	85.7	71.4	85.7	100	100	100	57.1	0	14.3	57.1	100	100	0	0	14.3	100	100	42.9	0
grade 2	0	14.3	14.3	0	0	0	28.6	42.9	28.6	28.6	0	0	71.4	0	14.3	0	0	28.6	0
grade 3	14.3	0	0	0	0	0	14.3	14.3	14.3	14.3	0	0	28.6	0	71.4	0	0	28.6	0
grade 4	0	14.3	0	0	0	0	0	42.9	42.9	0	0	0	0	100	0	0	0	0	100
1.5 T	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	basal	mid	apical
grade 1	100	85.7	85.7	100	100	100	71.4	42.9	71.4	100	100	100	71.4	14.3	71.4	100	100	42.9	0
grade 2	0	14.3	14.3	0	0	0	28.6	14.3	0	0	0	0	14.3	14.3	14.3	0	0	42.9	14.3
grade 3	0	0	0	0	0	0	0	0	28.6	0	0	0	14.3	28.6	14.3	0	0	0	42.9
grade 4	0	0	0	0	0	0	0	42.9	0	0	0	0	0	42.9	0	0	0	14.3	42.9

ISSN: 1532-429X