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AY Cardiovascular > Shock > Flashcards

Shock Flashcards

1
Q

How does hypovolaemic shock lead to inadequate tissue perfusion?

A 
Decreased blood volume 
Decreased venous return 
Decreased EDV 
Decreased SV 
Decreased CO and BO 
Inadequate tissue perfusion
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2
Q

What is cardiogenic shock?

A

Decreased cardiac contractility

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3
Q

How does cardiogenic shock lead to inadequate tissue perfusion?

A

Decreased cardiac contractility
Decreased SV
Decreased CO & BP
Inadequate tissue perfusion

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4
Q

What condition can causes obstructive shock?

A

Tension pneumothorax

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5
Q

How does obstructive shock lead to inadequate tissue perfusion?

A 
Increased intrathoracic pressure 
Decreased venous return
Decreased EDV 
Decreased SV 
Decreased CO and BP
Inadequate tissue perfusion
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6
Q

How does neurogenic shock lead to inadequate tissue perfusion?

A

Loss of sympathetic tone
Massive venous & arterial vasodilatation
Decreased venous return & decreased TPR
Decreased CO and BP
Inadequate tissue perfusion

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7
Q

How does vasoactive shock lead to inadequate tissue perfusion?

A 
Release of vasoactive mediators 
Massive venous & arterial vasodilatation & increased cap permeability 
Decreased venous return & TPR
Decreased CO and BP
Inadequate tissue perfusion
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8
Q

Basic overall treatment for shock

A 
ABCDE approach 
High flow oxygen volume replacement 
Inotropic for cardiogenic shock 
Immediate chest drain for tension pneumothorax 
Adrenaline for anaphylactic shock 
Vasopressors for septic shock
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9
Q

What percentage of blood loss can compensatory mechanism maintain until?

A

30%

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10
Q

What is hypovolaemic shock caused by?

A

Large loss of blood volume

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11
Q

Treatment for anaphylactic shock

A

Adrenaline

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12
Q

Treatment for septic shock

A

Vasopressin

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13
Q

Treatment for obstructive shock

A

Drain tension pneumothorax

(Second

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AY Cardiovascular (28 decks)

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