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Cardiomyopathies > Restrictive (infiltrative) > Flashcards

Restrictive (infiltrative) Flashcards

1
Q

What is the most common etiology of restrictive cardiomyopathy?

A

Amylodosis

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2
Q

What is amylodosis?

A

Infiltration of amyl proteins

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3
Q

What are 5 etiologies of restrictive cardiomyopathy?

A

-amylodosis
-sarcoidosis
-Endomyocardial fibrosis
-Hemochomatosis
-Glycogen storage (pompes disease)

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4
Q

What is sarcoidosis ?

A

Infiltration of immune cells

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5
Q

What is Hemochromatosis?

A

Excess iron

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6
Q

What does Endomyocardial fibrosis cause?

A

Endocardial thickening

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7
Q

What is pompes disease?

A

A hereditary disease that impairs the bodies ability to metabolize glycogen

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8
Q

Amyloid & sarcoidosis are what type of cardiac abnormalities?

A

Infiltrative

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9
Q

Infiltration of myocardium results in _____ ventricular walls which impedes _____

A

Rigid ; diastolic filling

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10
Q

Sarcoidosis may infiltrate ____ system and cause a ____ heart block

A

Conduction
AV

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11
Q

What are the 3 symptoms of restrictive cardiomyopathy?

A

-fatigue
-Dyspena
-angina

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12
Q

A restrictive cardiomyopathy has what kind of appearance?

A

Ground glass

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13
Q

True or false- systolic function may be normal or impaired with restrictive cardiomyopathy?

A

True

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14
Q

True or false - a PE may be present with restrictive cardiomyopathy?

A

True

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15
Q

With endomyocardical fibrosis the endocardium appears?

A

Echogenic or scarred

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16
Q

The “ground glass” appearance is related to?

A

Infiltrative myocarditis

17
Q

With restrictive cardiomyopathy you’ll see impaired ____ filling patterns with the AV valves

A

Diastolic

18
Q

With restrictive cardiomyopathy the pulmonary vein flow will have a ___ systolic velocity

A

Low (small S wave)

19
Q

With restrictive cardiomyopathy the mitral valve flow will have a ___ atrial velocity

A

Low. (Small A wave)

Because the LV is thick. So the LV isn’t filling in with all the volume from the LA (diastolic dysfunction) so this causes the LA is become enlarged and the atrial kick (a wave) to be small and low

20
Q

A restrictive cardiomyopathy has which of the following?

  1. Increased afterload
  2. Decreased LV compliance
  3. Increased preload
  4. Decreased LA pressure
A
  1. Decreased LV compliance

Cardiomyopathies (5 decks)

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