Valvular Heart Disease Flashcards

1
Q

what are the most common etiologies of VHD?

A
myxomatous degeneration (MVP)
congenital (bicuspid aortic valve)
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2
Q

what causes a murmur?

A

turbulent blood flow across a valve or increased blood flow

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3
Q

what are the systolic murmurs (S1)?

A
MR
TR
AS
PS
VSD
ASD
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4
Q

what are the diastolic murmurs (S2)?

A
AI/AR
PI/PR
MS
TS
atrial myxoma
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5
Q

1/6 murmur

A

barely audible

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6
Q

2/6 murmur

A

faint, soft

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7
Q

3/6 murmur

A

easily heard with a stethoscope

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8
Q

4/6 murmur

A

very loud with palpable thrill (vibration)

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9
Q

5/6 murmur

A

heard with stethoscope barely touching the chest with thrill

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10
Q

6/6 murmur

A

can hear without stethoscope or can hear with stethoscope close to chest

palpable thrill

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11
Q

what are the causes of MR?

A
ischemic papillary muscle dysfunction (CAD or MI)
ruptured chordae tendinae 
infective endocarditis
volume overload
MVP
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12
Q

what is heard on auscultation with MR?

A

systolic murmur
blowing at apex
radiates to left axilla

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13
Q

what is heard on auscultation with MVP?

A

systolic murmur at apex with click/murmur increased with standing

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14
Q

what are the causes of TR?

A
pulm HTN
lung disease
RV infarction
inferior wall MI
pacemaker
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15
Q

what is heard on auscultation with TR?

A

blowing, systolic murmur at the 4th ICS LSB

increases with inspiration (Carvallo sign)

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16
Q

what causes AS?

A

degenerative calcification or bicuspid leaflets
pressure overload
LVH

17
Q

what is heard on auscultation with AS?

A
systolic murmur
crescendo-decrescendo
harsh 2nd ICS RSV
radiates into sternal notch/carotids
diminished S2
18
Q

what causes pulmonic stenosis?

A

congenital only

19
Q

what is heard on auscultation with PS?

A

systolic murmur
crescendo-decrescendo
2-3 ICS LSB
radiates to left shoulder/clavicle

20
Q

what is heard on auscultation with VSD?

A

holosystolic murmur
left lower sternal border with thrill
increases with handgrip

21
Q

what is heard on auscultation with ASD?

A

systolic murmur

upper LSB with fixed splitting of S2

22
Q

what causes mitral stenosis?

A

rheumatic heart disease
congenital
mitral annular calcification

23
Q

what is heard on auscultation with MS?

A

diastolic murmur
low pitch
rumbling at apex
increased S1 and S2 (P2) followed by opening snap

24
Q

what causes tricuspid stenosis?

A

rheumatic heart disease

25
Q

what is heard on auscultation with TS?

A

diastolic murmur
LSB
increases with inspiration (Carvallo sign)

26
Q

what causes aortic insufficiency/regurgitation?

A
infective endocarditis
aortic dissection
chest trauma
calcific degeneration
dilated aortic root
rheumatic heart disease
27
Q

what is heard on auscultation with AI/AR?

A
diastolic decrescendo murmur
3rd ICS 
LSB
can mimic MS
Soft S2 (A2)
28
Q

what other signs are associated with AI/AR?

A

DeMusset’s sign - head bob with beats
Quincke’s sign - capillary nail pulsations
Traube sign - “pistol shot” over femoral artery
Duroziez’s sign - diastolic murmur over femoral artery when compressed with stethoscope

29
Q

what causes pulmonary insufficiency/regurgitation?

A

Pulm HTN

30
Q

what is heard on auscultation with PI/PR?

A

diastolic decrescendo murmur
2nd ICS
LSB