Podcast
Questions and Answers
Where is the first heart sound (S1) best heard?
Where is the first heart sound (S1) best heard?
What does a heart murmur often sound like?
What does a heart murmur often sound like?
Where can the second heart sound (S2) be best heard?
Where can the second heart sound (S2) be best heard?
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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Description
Identify the locations of heart sounds and murmurs, including S1, S2, S3, and S4. Learn about the aortic area, mitral area, and ventricular and atrial gallops.
