shock Flashcards

1
Q

4 different kinds of shock? (CHOD)

A

cardiogenic, hypovolaemic, obstructive, distributive

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2
Q

what type of shock does a tension pneumothorax cause?

A

obstructive - causing decreased venous return

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3
Q

examples of distributive shock?

A

neurogenic, vasoactive

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4
Q

examples of obstructive shock?

A

cardiac tamponade, tension pneumothorax, PE, severe aortic stenosis

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5
Q

Cardiac Output (CO) definition?

A

volume of blood pumped by each ventricle of the heart per minute

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6
Q

Stroke Volume

A

volume of blood pumped by each ventricle of the heart per heart beat

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7
Q

what causes vasoactive shock?

A

release of vasoactive mediators

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8
Q

treatment for tension pneumothorax?

A

large bore canula in 2nd intercostal space mid clavicular line

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9
Q

Compensatory mechanisms can maintain blood pressure until what percentage of total blood volume lost?

A

30%

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10
Q

when do you get a decrease in mean arterial blood pressure?

A

when you lose more than 30% of total blood volume

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11
Q

name of the auto regulation of cerebral blood flow with increasing MAP?

A

myogenic response

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