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
How does AR present?
Wide pulse pressure (chronic) Bounding pulse Head bobbing
26
What increases AR murmur intensity? decreases it?
Hand grip INcreases Vasodilators DEcrease
27
AR is often due to:
Aortic root disection Bicuspid aortic valve Endocarditis Rheumatic fever
28
What causes Opening Snap in MS?
due to abrupt halt in leaflet motion in Diastole, after Rapid Opening due to fusion at leaflet tips
29
MS is enhanced by what maneuvers?
INcreased LA return (Expiration) \* LA \>\> LV pressure during diastole
30
When does MS often occur?
Secondary to Rheumatic fever
31
Where/when is PDA murmur best heard?
Left Infraclavicular area at S2
32
PDA is often due to what?
Congenital rubella or Prematurity
33
Patent Ductus Arteriosus (PDA)
34
Aortic Regurgitation (AR)
35
Mitral Stenosis (MS)
36
Aortic Stenosis (AR)
37
Best heard at Tricuspid area
VSD
38
MVP
39
High-Pitched "Blowing Murmur"
Mitral/Tricuspid Regurgitation