in 7/29 patients with mitochondrial myopathies and cpeo a cardiac involvement ( kearns-sayre syndrome ) was found : incomplete right bundle branch block ( n = 1 ) , right bundle branch block ( n = 1 ) , left anterior fascicular block and right bundle branch block ( n = 2 ) , complete atrioventricular block ( n = 3 ) ;
C0162670
mitochondrial myopathies
C0162674
cpeo