Suspicion of myocarditis in a patient with mitral valve prolapse.

452 markers were within the reference ranges. Base‐ line electrocardiogram (ECG) showed sinus rhythm with frequent ventricular extrasystoles and episodes of nonsustained ventricular tachy‐ cardia, without any conduction disorder. Flat T waves in the inferior leads (III, aVF) were pres‐ ent (FIGURE 1A). A 24 ‐hour ECG recording showed a sinus rhythm of 62 bpm with frequent episodes of polymorphic ventricular arrhythmia (8760 A 23 ‐year ‐old woman with diagnosed mitral valve prolapse (MVP) was admitted to a cardiac depart‐ ment because of frequent polymorphic ventric‐ ular extrasystoles and episodes of nonsustained ventricular tachycardia on Holter monitoring. On admission, the patient reported palpita‐ tions, persistent weakness, and episodes of non‐ specific chest pain and arthralgia. Blood count, biochemical parameters, and myocardial necrosis CLINICAL IMAGE