Cardiogenic shock Flashcards

1
Q

when should fluids be administered

A

Administer 0.9% sodium chloride IV if there are signs of poor perfusion, provided the patient has no signs or symptoms of pulmonary oedema and the primary problem is not dysrhythmia

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2
Q

when is meteraminol administered in cardiogenic shock

A

if the systolic blood pressure is less than 100 mmHg

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2
Q

name some causes of cariogenic shock

A

ū The most common cause is acute myocardial infarction.
ū Other causes include acute valve rupture, pulmonary embolism,
dysrhythmia (particularly VT), cardiac tamponade and myocarditis.
ū Commonly the patient will be pale, cold and tachycardic with signs and
symptoms of pulmonary oedema.

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2
Q

what causes cariogenic shock

A

the heart being unable to pump adequately:

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2
Q

Cardiogenic shock secondary to poor right ventricular function characteristics

A
  • Occasionally cardiogenic shock is caused by inadequate right ventricular function:
    ū The most common cause is an acute inferior myocardial infarction involving the right ventricle.
    ū Shock is likely to respond to 0.9% sodium chloride IV.
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3
Q

Metaraminol is the preferred vasopressor because

A

it does not increase myocardial oxygen consumption and is less likely to cause tachycardia and/or tachydysrhythmia than adrenaline.

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3
Q

Cardiogenic shock secondary to poor left ventricular function charceterisitics

A
  • The most common cause is an acute anterior, anteroseptal or anterolateral STEMI:
    ū This is commonly associated with the development of pulmonary oedema.
    ū Shock is unlikely to respond to 0.9% sodium chloride IV and this must be
    administered with caution as it may make pulmonary oedema worse.
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