What are the three causes of holosystolic murmurs? The three main causes of holosystolic murmurs are mitral valve regurgitation, tricuspid valve regurgitation, and a ventricular septal defect. On rare ...
Table 3 provides typical characteristics of common murmurs. The tricuspid stenosis murmur is diastolic and a soft rumble, heard best at the left lower sternal border. It will increase in intensity ...