HUMAN ANAT.+PHYS.(LL)-W/LAB.MAN.+ACCESS
11th Edition
ISBN: 9780135193921
Author: Marieb
Publisher: PEARSON
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Chapter 18, Problem 1CCS
54-Year-Old Female with a Defective Heart Valve
Dr. El-Sheikh is a 54-year-old Egyptian female who complains of weakness, fatigue, shortness of breath, chest pain, and dizziness. Her heart rate is 96 beats/min, and her blood pressure is 148/54 mm Hg. You notice that she nods her head with every heartbeat, and her radial pulse is very strong and abrupt. Her heart sounds are abnormal, with a long diastolic murmur at the right sternal margin in the second intercostal space.
Her doctor orders an echocardiogram, which shows that Dr. El-Sheikh has severe aortic regurgitation (backflow of blood through an incompetent valve) and an enlarged left ventricle.
1. Why does an incompetent aortic valve cause a diastolic murmur?
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Chapter 18 Solutions
HUMAN ANAT.+PHYS.(LL)-W/LAB.MAN.+ACCESS
Ch. 18 - Prob. 1RQCh. 18 - 2. The portion of the intrinsic conduction system...Ch. 18 - 3. An ECG provides information about (a) cardiac...Ch. 18 - 4. The sequence of contraction of the heart...Ch. 18 - 5. The fact that the left ventricular wall is...Ch. 18 - 6. The chordate tendineae (a) close the...Ch. 18 - 7. In the heart, which of the following apply? (1)...Ch. 18 - 8. The activity of the heart depends on intrinsic...Ch. 18 - 9. Freshly oxygenated blood is first received by...Ch. 18 - 10. Describe the location and position of the...
Ch. 18 - 11. Describe the pericardium and distinguish...Ch. 18 - 12. Trace one drop of blood from the time it...Ch. 18 - 13. (a) Describe how heart contraction and...Ch. 18 - 14. The refractory period of cardiac muscle is...Ch. 18 - 15. (a) Name the elements of the intrinsic...Ch. 18 - Prob. 11RQCh. 18 - Prob. 12RQCh. 18 - Prob. 13RQCh. 18 - Prob. 20RQCh. 18 - Prob. 21RQCh. 18 - Prob. 22RQCh. 18 - 2. Florita Santos, a middle-aged woman, is...Ch. 18 - 3. Hannah, a newborn baby, needs surgery because...Ch. 18 - Prob. 23RQCh. 18 - Prob. 14RQCh. 18 - 54-Year-Old Female with a Defective Heart Valve...Ch. 18 - 54-Year-Old Female with a Defective Heart Valve...Ch. 18 - 54-Year-Old Female with a Defective Heart Valve...Ch. 18 - 54-Year-Old Female with a Defective Heart...Ch. 18 - 54-Year-Old Female with a Defective Heart Valve...Ch. 18 - 54-Year-Old Female with a Defective Heart Valve...
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