cardiomyopathy Flashcards

1
Q

what is the most common type of cardiomyopathy

A

dilated

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2
Q

Who is dilated cardiomyopathy most common in

A

males
(Black higher than white)

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3
Q

What systemic immune mediated disease can lead to dilated cardiomyopathy

A

Sarcoidosis

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4
Q

Which 2 reasons are the most common causes for dilated cardiomyopathy

A

genetic
peripartum

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5
Q

What is dilated cardiomyopathy characterized by

A

ventricular enlargement
No associated hypertrophy
reduced contractility

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6
Q

How do you determine stroke volume

A

EDV- ESV

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7
Q

When will symptoms occur in those with dilated cardiomyopathy

A

CO falls

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8
Q

What disease will dilated cardiomyopathy mimic / lead to

A

HF
-fluid overload
-decreased perfusion

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9
Q

What is PND

A

SOB that awakens the patient from sleep that is relieved from sitting up

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10
Q

What will be seen on exam with left sided heart failure

A

Rales
Wheezes
S3 / S4 heart sound
regurge

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11
Q

What will be seen on exam with right sided HF

A

Peripheral edema
RUQ pain
Anorexia
Bloating / weight gain
fatigue

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12
Q

What will be seen on a CXR for CHF

A

Cardiomegaly
Cephalization
hilar fullness
plural effusion

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13
Q

What is first line treatment for heart failure

A

Beta blocker an ACE

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14
Q

If the heart failure is refractory, what treatment should be added

A

aldosterone antagonist
**Add ARNi in place of ACEi

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15
Q

What is the #1 cause of sudden cardiac death in young

A

HOCM

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16
Q

When does HOCM generally present

A

males in there 20s

17
Q

What is the most common cause of LVH

A

HTN

18
Q

How is HOCM characterized

A

myocyte disarray
LVH (asymmetrical septal thickening)
Impaired diastolic function
LV outflow obstruction

19
Q

What is the most common symptom of HOCM

A

Dyspnea

20
Q

What is the presentation of HOCM

A

Angina w/o CAD
Syncope
orthostatic hypotension
arrhythmias
Dyspnea

21
Q

What physical exam abnormalities are associated with HOCM

A

Systolic crescendo-decrescendo murmur at left lower sternal border

Mitral regurge

Bifid carotid pulse

22
Q

How is mitral regurge in HOCM effected by valsalva and squatting

A

Improved with squatting
worse with valsalva & standing

23
Q

What EKG findings are seen with HOCM

A

Q waves
ST depression or inversion

24
Q

What is the treatment for HOCM

A

Avoid strenuous exercise (SCD risk)
Avoid diuretics (worsens LVOO)

Verapamil if needed

25
Q

If HOCM is refractory how do you treat

A

Septal myectomy
ETOH ablation

26
Q

What is an SCD prevention for younger people

A

ICD

27
Q

What is the most common cause of Restrictive myopathy

A

Amyloidosis (infiltrative)

28
Q

What is restrictive cardiomyopathy characterized by

A

Atrial enlargement
Ventricle stiffness
MINIMAL ventricular hypertrophy
impaired diastolic function

29
Q

What is the best diagnostic test for restrictive cardiomyopathy

A

Biopsy
*Congo red for amyloidosis

30
Q

What will be seen on CXR with restrictive cardiomyopathy

A

normal heart size
pulmonary congestion

31
Q

What is the treatment for restrictive cardiomyopathy

A

target underlying cause
salt restriction
diuretics PRN for fluid overload