Patient: Description of condition (onset time, main symptoms, hospital visited, etc.): Zhang Yuqi, Department of Diagnostic Ultrasound, Shanghai Children’s Medical Center: Minor mitral regurgitation does not require treatment, follow-up is sufficient Patient: but high heart rate: Heart rate: 139 PP; 124 QRS: 70 QT/QTC: 350/431 P/QRS/T: 62/80/-30 RV5/SVI; 1.820/ 1.035 RV5+SVI:2.855 Patient: but high heart rate: heart rate: 139 PR; 124 QRS: 70 QT/QTC: 350/431 P/QRS/T: 62/80/-30 RV5/SVI; 1.820/1.035 RV5+SVI:2.855 ECG findings: sinus tachycardia Shanghai Children’s Medical Center Ultrasound Diagnostic Department Zhang Yuqi: Sinus tachycardia is common in children with stress, hyperthyroidism, fever, after eating, after exercise, etc. It needs specific analysis. You can see the nearest pediatrician. However, mild reflux does not require treatment.