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Health Assessment Spring 24 > Valvular Disease Exam 2 > Flashcards

Valvular Disease Exam 2 Flashcards

1
Q

What is the incidence of valvular disease in the US population?

A

2.5%

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2
Q

What is the NYHA Functional Classification of Patients with Heart Disease?

A

I - Asymptomatic.II - s/s with activity but relieved by rest.III - s/s w/ minimal activity, relieved by rest.IV - s/s at rest

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3
Q

What causes a murmur?

A

Turbulent flow across a heart valve

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4
Q

Systolic murmurs are caused by what valve pathologies?

A
  • Aortic/Pulmonic Stenosis- Mitral/Tricuspic Regurgitation
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5
Q

Diastolic murmurs are caused by what pathologies?

A
  • Aortic/Pulmonic Regurgitation- Mitral/Tricuspid Stenosis
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6
Q

_____ murmurs follow S2.

A

Diastolic

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7
Q

Midsystolic murmurs occur when?

A

Between S1 and S2 sounds

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8
Q

Which murmur type exhibits a crescendo-decrescendo pattern?

A

Mid-systolic Murmurs

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9
Q

What characterizes holosystolic murmurs?

A

S1 and S2 merging

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10
Q

Where is the aortic valve auscultated?

A

2ⁿᵈ ICS, right sternal border

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11
Q

Where is the pulmonic valve auscultated?

A

2ⁿᵈ ICS, left sternal border

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12
Q

Where is the tricuspid valve auscultated?

A

5th ICS, left sternal border

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13
Q

Where is the mitral valve auscultated?

A

5th ICS, mid-clavicular line

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14
Q

What factors seen on a chest x-ray would indicate valvular disease?

A
  • Cardiomegaly- Left Bronchus Elevation- Valvular Calcifications
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15
Q

What signs seen on an EKG could indicate valvular disease?

A
  • LA enlargement (broad, notched p-wave)- Axis deviations- Dysrhythmias
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16
Q

What type of valve replacement is thrombogenic?

A

Mechanical

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17
Q

What are bioprosthetic valves made from?

A

Porcine or bovine

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18
Q

Which type of prosthetic valve is longer lasting?

A

Mechanical

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19
Q

Who is most commonly affected by mitral stenosis?

A
  • Women- Rheumatic patients
20
Q

What is the normal mitral valve orifice surface area?

A

4 - 6 cm²

21
Q

At what surface area do symptoms for mitral valve stenosis start to develop?

A

< 2 cm²

22
Q

What are the s/s of mitral stenosis?

A
  • Exertional dyspnea- Orthopnea- Paroxysmal nocturnal dyspnea- Pulmonary edema- Pulmonary HTN- A-Fib
23
Q

How is mitral stenosis treated?

A
  • Rate control (80bpm goal)- ↓LAP (diuretics)- Anticoagulation- Surgical correction
24
Q

What EKG abnormalities are common with mitral stenosis?

A
  • Notched P waves- A-Fib
25
Q

What are the anesthetics goals for a patient with mitral stenosis?

A

Maintain normal parameters for HR, volume status, and afterload.

26
Q

What is more common, mitral stenosis or regurgitation?

A

Regurgitation (2% of US population)

27
Q

What type of murmur would be auscultated with mitral regurgitation?

A

Holosystolic murmur at the cardiac apex

28
Q

What less invasive cath lab procedure is used to treat mitral regurgitation?

A

Mitra-clip

29
Q

What β-blocker is preferred for mitral regurgitation?

A

Carvedilol

30
Q

What are the anesthetic goals for mitral regurgitation patients?

A
  • Improve LV stroke volume- Decrease Regurg
31
Q

What heart rate would you want to maintain with mitral regurgitation?

A

Normal to slightly increase HRBradycardia will increase LV volume overload.

32
Q

What type of pathology would cause early-life development of aortic stenosis?

A

Bicuspid Aortic Valve

33
Q

What is the normal surface area of the aortic valve?

A

2.5 - 3.5 cm²

34
Q

What is the surface area of a severely stenotic aortic valve?

A

< 1 cm²

35
Q

What pathology would be expected for a systolic or mid-systolic murmur hear in the right upper sternal border?

A

Aortic Stenosis

36
Q

What symptoms are seen with aortic stenosis becomes critical?

A
  • Angina- Syncope- Dyspnea on exertion
37
Q

____% of aortic stenosis patients will die within three years without a valve replacement

A

75%

38
Q

What EKG characteristics would be seen for a patient with aortic stenosis?

A
  • ST depression- T-wave inversion
39
Q

What non-surgical treatments are available for aortic stenosis?

A
  • Balloon valvotomy for younger patients- TAVR
40
Q

What type of anesthetic technique is generally better for patients with aortic stenosis?

A

General Anesthesia

41
Q

What are common causes of chronic aortic regurgitation?

A
  • Endocarditis/rheumatic fever- Bicuspid AV- Anorexigenic drugs
42
Q

What are the two common causes of acute aortic regurgitation?

A
  • Endocarditis- Aortic dissection
43
Q

What two factors determine the degree of regurgitant blood flow from a dysfunctional aortic valve?

A
  • Time available for flow (HR)- Pressure gradient (SVR)
44
Q

What type of murmur would be heard with aortic regurgitation?

A

Early to mid-diastolic murmur at left sternal border

45
Q

What blood pressure abnormalities are often seen with aortic regurgitation?

A
  • Widened pulse pressure- decreased dBP- Bounding pulses

Health Assessment Spring 24 (5 decks)

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