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Cardiology > Heart sounds > Flashcards

Heart sounds Flashcards

1
Q

S1 - what does it represent

A

Closing of MV + TV

M1, loudest everywhere as LH Pb greater + T1

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2
Q

Split S1 - how to auscultate

A

Heard @ T

Inspiration delays

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3
Q

Split S1 - who

A

~50% popn

RBBB (current pushes delay LH –> RH further)

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4
Q

Split S1 - define

A

When M1 is before T1

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5
Q

S1 - factors affecting character

A

4 PRaMS CaNT THInK

  1. PR interval: shorter INC S1
  2. MS: increases if mild-mod, dec if sev-crit
  3. Contraction (puff): Inc HR = Inc Vent Pb = Inc S1
  4. Thickness of chest wall
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6
Q

S2 - define

A

Closing of AV + PV

A2 louder + P2

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Cardiology (7 decks)

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