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Questions and Answers
Where is the first heart sound (S1) best heard?
Where is the first heart sound (S1) best heard?
- Left 2nd intercostal space
- Left 4th intercostal space
- Left 5th intercostal space midclavicular line (correct)
- Right 2nd intercostal space
What does a heart murmur often sound like?
What does a heart murmur often sound like?
- A thumping sound
- A whooshing sound (correct)
- A clicking sound
- A hissing sound
Where can the second heart sound (S2) be best heard?
Where can the second heart sound (S2) be best heard?
- Left 5th intercostal space
- Right 2nd intercostal space (correct)
- Left 2nd intercostal space
- Right 5th intercostal space
Which heart sound is heard at the ventricular gallop?
Which heart sound is heard at the ventricular gallop?
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What creates a heart murmur?
What creates a heart murmur?
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Study Notes
Heart Sounds
- First heart sound (S1) is located at the apex of the heart, specifically at the left 5th intercostal space midclavicular line.
- Second heart sound (S2) is located at the aortic area of the heart, specifically at the right 2nd intercostal space.
- Third heart sound (S3) is associated with the ventricular gallop, located at the mitral area, left 5th intercostal space.
- Fourth heart sound (S4) is associated with the atrial gallop, located at the mitral area, in the left lateral position.
Heart Murmurs
- Heart murmur is an unusual sound heard between heartbeats, often described as a whooshing sound.
- Heart murmur is created by blood flow through a heart valve, a narrowed heart chamber, or an unusual connection between heart chambers, as seen in congenital heart disease.
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