The smaller the ventricular septal defect, the louder the murmur. A very small VSD can cause a palpable thrill (vibration on the chest). A small VSD with a loud murmur is called "Maladie de Roger ...

Among these, a Ventricular Septal Defect (VSD ... closer attention. “Small VSDs are typically asymptomatic, discovered during routine checkups due to a heart murmur, an abnormal sound heard ...