valvular disease Flashcards

1
Q

most common valve with disease

A

AO valve

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2
Q

systolic opening measurement for AO valve

A

3-5 cm2

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3
Q

most common congenital heart defect and cause of AS in adults

A

bicuspid AO valve

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4
Q

what can AS cause to happen to the LV

A

pressure overload
increase in LV mass

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5
Q

what you will find on a physical exam for AS

A

delay carotid upstroke
hersh systolic ejection murmur that radiates to neck

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6
Q

mild AS VMAX/Mean Gradient/AVA

A
  1. 2.0-2.9
  2. mg <25
  3. ava >1.5
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7
Q

moderate AS VMAX/Mean Gradient/AVA

A
  1. 3.0-3.9
  2. 25-39
  3. 1.5 - 1
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8
Q

severe AS VMAX/Mean Gradient/AVA

A
  1. > 4.0
  2. > 40
  3. <1
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9
Q

continuity equation

A

AVA x AV VTI = LVOT area x LVOT vti

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10
Q

stroke volume for AS

A

AVA x AV VTI = LVOT area x LVOT VTI

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11
Q

low flow , low gradient AS DD

A

severe AS
cardiomyopathy

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12
Q

AI causes

A
  1. bicuspid or subao stenosis
  2. marfan or ao dissection
  3. endocarditis
  4. rheumatic heart disease
  5. degenerative
  6. prosthetic failure
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13
Q

what can AI do to the LV

A

cause pressure overload for low cardiac output

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14
Q

symptoms of AI

A

dyspnea
fatigue
LE edema
chest pain
syncope

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15
Q

AI on physical exam

A

diastolic blowing murmur
left sternal border with patient sitting upward

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16
Q

echo findings for AI

A

LV dilatation
AO root dilatation
austin flint sign
color doppler

17
Q

what is austin flint sign

A

diastolic murmur heard at the apex and is associated w/ severe AI

18
Q

pressure half time and vena contracta for mild AI

A

> 500
<.3

19
Q

pressure half time and vena contracta for moderate AI

A

500-200
.3 - .6

20
Q

pressure half time and vena contracta for AI

A

<200
>.6

21
Q

what can a cleft MV be associated w/

A

atrio ventricular septal defect

22
Q

which leaflet of the MV is usually effect by the cleft

A

anterior leaflet

23
Q

MV parachute

A

attachment of chordae to simple pap muscle

24
Q

supra valvular mitral ring

A

fibrous membrane above mitral annulus
cause of congenital mitral stenosis

25
Q

MV prolapse

A

bulge upward into the LA
also known as click murmur syndrome/ barlows syndrome

26
Q

most common cause of MS

A

rheumatic fever (young middle age women)
and is the result of strep infection FEVER

27
Q

pathophysiology for MS

A

pressures between LV and LA increases causing lung congestion
RV overload
RV failure

28
Q

MS symptoms

A

SOB
EDEMA
ASCITES
or asymptomatic

29
Q

echo findings for MS

A

thickened cusps
enlarged LA
increase pulmonary pressure

30
Q

cardiovascular risk factors for MS

A

female
age
diabetes
CAD

31
Q

for MILD MS
-MVA
-mean gradient
-pulmonary artery pressure

A
  1. > 1.5
  2. <5
  3. <30
32
Q

for moderate MS
-MVA
-mean gradient
-pulmonary artery pressure

A
  1. 1.0 - 1.5
  2. 5 - 10
  3. 30 - 50
33
Q

for SEVERE MS
-MVA
-mean gradient
-pulmonary artery pressure

A
  1. 1.0
  2. > 10
  3. > 50
34
Q

MV leaflets normal but still MR

A

lv is dysfunctional due to ischemic disease
or CAD, hypertrophic CMY, dilated CMY

35
Q

MR symptoms

A

fatigue
dyspnea
edema

36
Q

PW E/A ratio > 1.4 suggest

A

severe MR

37
Q

TS symptoms

A

hepatomegaly
peripheral edema

38
Q

TR symptoms

A

pedal edema
weakness

39
Q

congenital PV diseases

A

atresia
tetralogy of fallot