Cardiomyopathy Flashcards

1
Q

what conditions are hypertrophic obstructive cardiomyopathy associated with?

A

wolf-parkinson-whyte syndrome

AF

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2
Q

what are the different types of cardiomyopathy?

A

hereditary

  • hypertrophic CM
  • arryhythmogenic CM

mixed

  • restrictive CM
  • dilated CM

secondary

  • infiltrative e.g. amyloidosis
  • inflammatory e.g. sarcoidosis
  • infective e.g. Cocksackie B, chugs disease
  • storage related e.g. haemochromatosis
  • cancer therapy - doxorubicin
  • neuromuscular e.g. frederickes ataxia
  • nutritional e.g. thiamin e
  • drugs e.g. alcohol
  • endocrine e.g. thyroitoxicosis, diabetes, acromegaly
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3
Q

how is genetic CM inherited?

A

autosomal dominant

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4
Q

what is characteristic of the pulse in hypertrophic CM?

A

jerky pulse

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5
Q

what is fredrick’s sign and in what type of CM is it seen?

A

elevated JVP with diastolic collapse

- constrictive CM

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6
Q

what is kausmaul sign and in what type of CM is it seen?

A

large drop in BP during inspiration causing a faint/absent pulse on inspiration
- constrictive CM

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7
Q

what investigation is diagnostic for cardiomyopathy?

A

echocardiogram

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8
Q

what is the general management options for cardiomyopathies?

A

beta blocker if arrhythmia
cardiac resynchronisation
ICD
heart transplant

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9
Q

what are causes of secondary cardiomyopathy?

A
sarcoidosis
amyloidosis
coxsackie B virus 
Chagas disease 
diabetes
thyrotoxicosis 
acromegaly 
haemachromatosis 
doxorubicin cancer therapy 
fredricks ataxia, muscular dystrophy, myotonic dystrophy
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10
Q

features of hypertrophic obstructive cardiomyopathy ?

A

asymptomatic
exertion dyspnoea
syncope (usually following exercise)
sudden death

jerky pulse
large A waves
double apex beat

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