Table 4.

Echocardiographic characteristics of the cohort of all adult m.3243A>G carriers of which myocardial strain was reported

Cardiac ultrasound findings	n	%
Normal	10	42
Left ventricular hypertrophy without systolic dysfunction	8	33
Left ventricular systolic dysfunction only	2	8
Ejection fraction <55%	3	13
Left ventricular diastolic dysfunction	8	33
Dilated left ventricle	2	8
Aortic valve insufficiency (mild)	2	8
Mitral valve insufficiency (mild)	1	4
Dilated left atrium	2	8