The "lubb" sound is produced by the closing of the Atrioventricular (Bicuspid and Triscuspid) valves , while the "dupp" sound is produced by the closing of the Semilunar (Aortic and Pulmonary) valves.
Stethoscope
Your heartbeat is made by the sounds of your valves opening and closing. The valves are to keep your blood from flowing backwards.
Heart sounds are created primarily from turbulence in blood flow created by the closures of the valves.
what are fetal heart
Understanding Pediatric Heart Sounds was created in 2003.
Two sounds
Understanding Pediatric Heart Sounds has 237 pages.
" Something the Lord Made," it sounds like to me...
valves
The normal heart sounds are described as a lubb dubb. These sounds are due to the closing of the valves. If a murmur is heard, the valves are not closing properly and there is a back flow of blood. Also if the normal heart sounds are not in a rhythm, there is something wrong with the way the heart is working.
relaxation and contraction of the heart
true. Heart sounds or lubb dubb are created when the valves of the heart snap shut