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Author Question: From Erb's point, all the heart valves can be heard equally. Erb's point is located over the: A. ... (Read 64 times)

809779

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From Erb's point, all the heart valves can be heard equally. Erb's point is located over the:
 
  A. Third intercostal space left sternal border
  B. Fifth intercostal space right sternal border
  C. Fourth intercostal space left sternal border
  D. Third intercostal space right sternal border

Question 2

Upon examination of a child, an innocent systolic murmur is heard at the second intercostal space left sternal border. This is usually due to:
 
  A. Atrial septal defect
  B. Patent foramen ovale
  C. Low flow velocity
  D. High flow turbulence



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miss_1456@hotmail.com

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Answer to Question 1

ANS: A
The tricuspid valve is best heard over the fourth intercostal space left sternal border. Erb's point is where all valves can be heard equally well. Erb's point is located over the third intercostal space left sternal border. The mitral valve is best heard over the fifth intercostal space in the mid-clavicular line. The aortic valve is best heard over the second intercostal space right sternal border. The pulmonic valve is best heard over the second intercostal space left sternal border.

Answer to Question 2

ANS: D
An innocent murmur is a type of systolic murmur that results from turbulent blood flow and is not associated with heart disease. Innocent murmurs occur commonly in children and young adults and reflect the contractile force of the heart, resulting in greater velocity of flow during early systole. They are heard best in the second and third left interspaces along the left sternal border or at the apex.




809779

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Reply 2 on: Jun 25, 2018
Gracias!


laurnthompson

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Reply 3 on: Yesterday
Excellent

 

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