Heart Valves and Heart Sounds Dynamics of Valvular and Congenital Heart Defects

Function of the heart valves was discussed in Chapter 9, where it was pointed out that closing of the valves causes audible sounds. Ordinarily, no audible sounds occur when the valves open. In this chapter, we first discuss the factors that cause the sounds in the heart under normal and abnormal conditions. Then we discuss what happens in the overall circulatory system when valvular or congenital heart defects are present.

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Brain Blaster

Brain Blaster

Have you ever been envious of people who seem to have no end of clever ideas, who are able to think quickly in any situation, or who seem to have flawless memories? Could it be that they're just born smarter or quicker than the rest of us? Or are there some secrets that they might know that we don't?

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