Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 11 - The Cardiovascular System - Review Questions - Page 422: 48

Answer

The main cause of heart murmur is due to disruption in flow of the blood. In adults this can be caused due to heart valve not opening and closing properly. In children it is mainly caused due to vibration in thin walls of heart. Since Hannah is 14 years old it is likely that heart murmur is being caused by vibration of thin walls of heart.

Work Step by Step

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