Exam 2 Heart sounds Flashcards

1
Q

Atrioventricular valves include?

A

Mitral

Tricuspid

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2
Q

Semilunar valves include?

A

Aortic

Pulmonic

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3
Q

Bell used for what sound?

Diaphragm used for what sounds?

A

low pitched

high pitched

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4
Q

Auscultation sitting up/leaning forward best for what sounds?

A

soft murmurs at base

aortic or pulmonic regurg

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5
Q

Auscultation in left lateral recumbent position best for what sounds?

A

(on left side, left arm above head)

low pitched filling sounds (gallop/murmur) at apical impulse

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6
Q

S1 is?

A

Systole -> closure of mitral/tricuspid start of vent contraction

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7
Q

S2 is?

A

Diastole -> closure of aortic/pulmonic start of vent filling

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8
Q

S3 is?

Heard best where?

A

Early diastole -> vibration from rapid filling of vents

w/ bell at apex (low pitched)

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9
Q

S1 + S2 + S3 =?

A

Ventricular gallop

“KEN-tucky”

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10
Q

S4 is?

Heard best where?

A

Atria contraction at end of vent filling (atrial kick)

w/ bell at apex (low pitched)

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11
Q

S1 + S2 + S4 = ?

A

Atrial gallop

“Tenne-SEE”

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12
Q

Systolic murmur is?

Diastolic murmur is?

A

blood rushing thu leaky/narrow valve or wall b/w chambers during systole

same but during diastole

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13
Q

Thrill is?

A

Palpable murmur
U from vibration of loud murmur
Caused by stenosis or septal defect

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14
Q

Lift/Heave is?

A

Vigorous impulse felt thru chest wall

Caused by hypertrophy or hyper vent activity

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15
Q

Split S2 caused by?

Normal when?

Heard where?

A
A2 = aortic valve closes before pulmonic
P2 = pulmonic valve closes before aortic

N during inspiration

Heard at 2nd/3rd L ICS

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16
Q

Pathologic S2 Split caused by?

Presents as?

A

Delayed pulmonic valve closure:

Atrial septal defect
Pulmonic stenosis
RVHF
RBBB

“Fixed splitting”
Doesn’t change w/ inspiration

17
Q

Paradoxical S2 Split caused by?

Presents as?

A

A2 following P2:
LBBB

Split present during expiration, gone during inspiration

18
Q

Ejection Click caused by?

Sound like?

A

Aortic or Pulmonic valve dz
Dilated aorta or pulmonary artery
Pulmonary HTN

High pitched

19
Q

Systolic Click caused by?

Sounds like?

May be accompanied by?

A

Mitral valve prolapse (leaf balloons into L atrium during systole)

Mid-late click of variable pitch

Mitral regurg

20
Q

Murmur Grades:

1/6

2/6

3/6

4/6

5/6

6/6

A

1/6 = barely audible in quite room

2/6 = quite but clearly audible

3/6 = moderately loud

4/6 = loud w/ thrill

5/6 = very loud, heard w/ stetho partly off chest, obvious thrill

6/6 = very loud, heard w/ stetho off chest, obvious thrill

21
Q

Systolic Ejection Murmur pattern?

Caused by?

Heard where?

A

crescendo - decrescendo
High pressure to High pressure

blood flow across semilunar valve
aortic or pulmonic stenosis
atrial septal defect

base, R and LSB

22
Q

Innocent Systolic Ejection Murmur caused by?

Sounds like?

C in who?

A

from turbulent blood flow w/o narrowing, obstruction or dz

Med pitch
↓ when sitting

Kids/young adults
Preggos
Anemia, hyperthyroid

23
Q

Atrial Septal Defect is?

Sounds like?

A

Congenital L to R shunt b/w LA/RA
RV enlargement and ↑ flow thru pulmonic valve

systolic eject murmur
fixed S2 split

24
Q

Pansystolic Murmur pattern?

Caused by?

A

plateau (stays same)
High pressure to Low pressure

regurg across AV valves or Ventricular septal defect

25
Q

Ventral Septal Defect is?

Sounds like?

A

L to R shunt b/w LV/RV

harsh pansystolic murmur at LLSB

26
Q

Late Systolic Murmur pattern?

Caused by?

A

starts mid way b/w S1/2

mitral prolapse

27
Q

Early Diastolic Murmur pattern?

Caused by?

A

decrescendo

regurg across leaky aortic or pulmonic (semilunar) valve

28
Q

Mid Diastolic Murmur pattern?

Caused by?

A

low decrescendo

turbulence across AV valves from stenosis

29
Q

Late Diastolic Murmur pattern?

Caused by?

A

low decrescendo lasting up to S1

30
Q

Opening Snap/Diastolic Rumble is?

Caused by?

A

very low-pitched sound at apex

Mitral stenosis -> snap w/ opening followed by rumble

31
Q

To-and-Fro Murmur is?

Caused by?

A

systolic/diastolic

severe aortic regurg
aortic stenosis