Aortic Valve Disease Flashcards

1
Q

what is the classic triad of symptoms for aortic stenosis?

A

angina
dyspnea
syncope

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2
Q

what is the most common form of aortic stenosis?

A

valvular

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3
Q

what is the normal aortic valve area?

A

3-4 cm squared

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4
Q

at what valve area is aortic stenosis defined as critical?

A

< 0.7 cm squared

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5
Q

what ventricular problem does aortic stenosis lead to?

A

increased wall stress and LVH

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6
Q

what are the survival rates for patients with angina, syncope and heart failure with AS?

A

angina is 5 years
syncope is 3 years
HF is 2 years

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7
Q

does intensity of AS murmur correlate with severity?

A

no

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8
Q

at what valve area is aortic stenosis considered mild?

A

> 1.5 cm squared

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9
Q

at what valve area is aortic stenosis considered moderate?

A

1-1.5 cm squared

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10
Q

at what valve area is aortic stenosis considered severe?

A

< 1 cm squred

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11
Q

what is pulsus parvus et tardus?

A

delayed and diminished carotid pulse from aortic stenosis

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12
Q

is medical therapy effective for severe symptomatic AS?

A

no

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13
Q

what are the goals for medical treatment in a patient with asymptomatic AS?

A

prevent CAD
maintain sinus rhythm
good BP control

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14
Q

what patient population is a percutaneous aortic balloon valvuloplasty good for?

A

pediatrics with noncalcific AS, it normally lasts 10 years

in adults, restenosis often occurs within 6 months

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15
Q

what does TAVR stand for?

A

transcatheter aortic valve replacement

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16
Q

what is the most common cause of aortic stenosis?

A

age related calcification

17
Q

what is the treatment of choice for a patient with symptomatic aortic stenosis?

A

aortic valve replacement

18
Q

what is the classic murmur for aortic regurgitation?

A

soft blowing decrescendo murmur at LUSB

19
Q

what treatment is absolutely contraindicated in aortic regurgitation?

A

intra-aortic balloon pump

20
Q

while waiting for surgery, what two treatments can be done for a patient with aortic regurgitation?

A

inotropic and afterload reduction

21
Q

if a patient has chest pain with aortic regurgitation, what should you think of

A

aortic dissection

22
Q

what are two causes of chronic aortic regurgitation?

A

rheumatic heart disease

congenital bicuspid aortic valve

23
Q

does aortic regurgitation cause volume, or pressure overload?

A

volume overload

24
Q

what is the best determinant of postoperative left ventricular function?

A

left ventricular end systolic dimension (LVESD)

25
Q

what LVESD predicts poor prognosis postoperatively?

A

> 55 mm

26
Q

what is the main physical sign of aortic regurgitation?

A

increased pulse pressure

27
Q

what is DeMusset’s sign?

A

head bob with each heartbeat

28
Q

what is Traube’s sign?

A

pistol shot sound heard over femoral arteries

29
Q

what is Muller’s sign?

A

systolic pulsation of the uvula

30
Q

what is Quincke’s sign?

A

capillary pulsations visible in luluna

31
Q

what is Hill’s sign?

A

popliteal cuff systolic pressure > brachial cuff systolic pressure more than 60 mmHg

32
Q

when listening to a murmur from AR, what determines the severity of the regurg?

A

duration of the murmur

33
Q

in what patient populations would you use a bioprosthetic valve?

A

elderly

females of child-bearing age