Myocardial damage in a mitochondrial myopathy patient with increased ergoreceptor sensitivity and sympatho-vagal imbalance

Abbreviations: CMR, cardiac magnetic resonance; CPK electrocardiogram; hs-cTnT, high sensitivity cardiac tropo nase; pNN50, percentage of successive normal sinus RR O2 saturation. ⁎ Corresponding author at: Cardiovascular Medicine Gabriele Monasterio, National Research Council, CNR-R Moruzzi 1, 56124 Pisa, Italy. Tel.: +39 050 3153521, + +39 050 3152109. E-mail address: alberto.giannoni@gmail.com (A. Giann