Transient swallowing‐induced atrial tachycardia in a patient with genotyped hypertrophic cardiomyopathy

Figures

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  FIGURE 1. Cardiac beta‐myosin heavy chain gene (MYH7) variant identified in a patient with swallowing‐induced atrial tachycardia and hypertrophic cardiomyopathy. A, Sequence trace of the reference. B, Sequence trace of the MYH7 variant p.Phe244Leu caused by c.732 C > G (hetero) in the patient

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  FIGURE 2. A 24‐h Holter electrocardiogram (ECG) readout of a recording obtained during dinner. A, Holter ECG recording from 21:09 to 21:19. B, Holter ECG recording at 21:16 (enlarged version of A)

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  FIGURE 3. Cine magnetic resonance imaging of the patient with swallowing‐induced atrial tachycardia and hypertrophic cardiomyopathy. A, The short‐axis view shows localized mild hypertrophy of the interventricular septum (red arrow). B, The four‐chamber view also shows localized mild hypertrophy of the interventricular septum (red arrow)