Hematologic Disorders 2 Flashcards

1
Q

What causes shock? (circulatory system)

A

Circulatory system fails to maintain adequate pressure and perfuse the organs adequately

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2
Q

Shock leads to impaired:

A

cellular metabolism

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3
Q

Shock: Impaired cellular metabolism through these mechanisms

A
  • Impaired oxygen use

- Impaired glucose use

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4
Q

Manifestations of shock vary based on

A

stage

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5
Q

Manifestations of shock often include:

A
  • hypotension
  • tachycardia
  • increased respiratory rate
  • cool extremities
  • decreased pulses
  • decreased urine output
  • altered mental states
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6
Q

End result of shock

A

hypoxia to end-organ tissues

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7
Q

Shock: end result leads to hypoxia of end-organ tissues, especiall these

A
  • kidneys
  • brain
  • heart
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8
Q

What are the 3 classes of shock?

A
  • cardiogenic
  • hypovolemic
  • reduced system vascular resistance
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9
Q

Cardiogenic shock occurs due to

A

decreased cardiac output

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10
Q

Etiologic factors of cardiogenic shock

A
  • arrhythmias
  • acute MI
  • severe CHF
  • septic
  • neurogenic
  • cardiac tumor
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11
Q

Hypovolemic shock occurs due to

A

loss of whole blood or interstitial fluid

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12
Q

s/s of hypovolemic shock

A
  • hemorrhage
  • vomiting
  • diarrhea
  • dehydration
  • burns
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13
Q

etiologic factors of shock that comes from reduced system vascular resistance

A
  • SCI
  • pain
  • trauma
  • anaphylaxis
  • liver failure
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