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Fig. 2 | Cardiovascular Ultrasound

Fig. 2

From: Contribution of sarcomere gene mutations to left atrial function in patients with hypertrophic cardiomyopathy

Fig. 2

Comparison of prevalence of atrial fibrillation (a), left atrial volume index (b), and a’ velocity (c) and left atrial total emptying fraction (d) between sarcomere gene mutation-positive group and mutation-negative group. Comparison of left atrial volume index (e), and a’ (f) velocity between sarcomere- and mitochondria-related gene mutation groups*. HCM, hypertrophic cardiomyopathy; AF, atrial fibrillation, LA, left atrial, TDI, tissue Doppler imaging; a’, peak late-diastolic septal mitral annular; CMR, cardiac magnetic resonance imaging; bar indicates standard error; *one patient was missed due to non-analysis of mtDNA

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