NCC Pediatrics Residency at Walter Reed-Bethesda

The left, upper sternal border is where the closing sound of the pulmonic valve is heard the best. Since Martha's murmur is heard best in this area, it is most likely due to pulmonic valve stenosis. Since the pulmonic valve leaflets are not fully opening, there is resistance to the forward flow of blood through this valve during ventricular ... ................
................