Cardio7 Flashcards

Heart murmurs

1
Q

What are the (4) types of Systolic murmurs?

A
  • Mitral/Tricuspid Regurgitation (MR/TR) - Aortic Stenosis (AS) - Ventricular Septal Defect (VSD) - Mitral Valve Prolapse (MVP)
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2
Q

What are the (2) types of Diastolic murmurs?

A
  • Aortic Regurgitation (AR) - Mitral Stenosis (MS)
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3
Q

What type of murmur is continuos?

A

Patent Ductus Arteriosus (PDA)

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4
Q

Holosystolic, high-pitched “blowing murmur”

A

Mitral/Tricuspid Regurgitation (MR/TR)

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5
Q

Crescendo-Decrescendo systolic ejection murmur following Ejection Click (EC)

A

Aortic Stenosis (AS)

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6
Q

Holsystolic, Harsh-sounding murmur

A

VSD

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7
Q

Late systolic crescendo murmur with Midsystolic Click (MC)

A

MVP

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8
Q

Imediate high-pitched “blowing” diastolic Decrescendo murmur

A

Aortic Regurgitation (AR)

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9
Q

Follows opening snap (OS). Delayed reumbling late diastolic murmur

A

Mitral Stenosis

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10
Q

Continuous machine-like murmur

A

PDA

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11
Q

Where/how is Mitral regurgitation best heard?

A

Loudest at Apex, radiates toward axilla Enhanced by maneuvers that: - INcrease TPR (ie., squatting, hand grip) - INcrease Left Atrium return (expiration)

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12
Q

What are some causes of MR?

A

Ischemic heart disease Mitral valve prolapse Left Ventricle Dilation Infective endocarditis

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13
Q

Where/how is Tricuspid regurgitation best heard?

A

Loudest at Apex, radiates toward Rt, sternal border Enhanced by maneuvers that: - INcrease Right Atrium return (Inspiration)

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14
Q

What are some causes of TR?

A

RV Dilation Rheumatic fever Infective endocarditis

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15
Q

What causes the ejection click in Aortic Stenosis?

A

Abrupt halting of valve leaflets

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16
Q

Where does AS murmur radiate to?

A

Carotids/Heart base

17
Q

What is “pulsus parvus et tardus”?

A

in Aortic Stenosis – Pulses are weak witha delayed peak

18
Q

AS can lead to:

A

Syncope Angina Dyspnea on exertion “SAD”

19
Q

What can cause AS?

A

Age-related Calcific AS Bicuspid Aortic valve

20
Q

Where/how is VSD best heard?

A

Loudest at Tricuspid area Enhanced by: - Hand grip maneuver d/t INcreased Afterload

21
Q

What is the most frequent valvular lesion?

A

Mitral Valve Prolapse (MVP)

22
Q

Where/how is MVP best heard?

A

Over Apex during S2 Enhanced by: - DEcreased venous return (Valsalva) *usually benign

23
Q

What can MVP predispose patient to?

A

Infective endocarditis

24
Q

What are causes of MVP?

A

Myxomatous degeneration Rheumatic fever Chordae rupture

25
Q

How does AR present?

A

Wide pulse pressure (chronic) Bounding pulse Head bobbing

26
Q

What increases AR murmur intensity? decreases it?

A

Hand grip INcreases Vasodilators DEcrease

27
Q

AR is often due to:

A

Aortic root disection Bicuspid aortic valve Endocarditis Rheumatic fever

28
Q

What causes Opening Snap in MS?

A

due to abrupt halt in leaflet motion in Diastole, after Rapid Opening due to fusion at leaflet tips

29
Q

MS is enhanced by what maneuvers?

A

INcreased LA return (Expiration) * LA >> LV pressure during diastole

30
Q

When does MS often occur?

A

Secondary to Rheumatic fever

31
Q

Where/when is PDA murmur best heard?

A

Left Infraclavicular area at S2

32
Q

PDA is often due to what?

A

Congenital rubella or Prematurity

33
Q
A

Patent Ductus Arteriosus (PDA)

34
Q
A

Aortic Regurgitation (AR)

35
Q
A

Mitral Stenosis (MS)

36
Q
A

Aortic Stenosis (AR)

37
Q

Best heard at Tricuspid area

A

VSD

38
Q
A

MVP

39
Q

High-Pitched “Blowing Murmur”

A

Mitral/Tricuspid Regurgitation