Emergency War Surgery, Chapter 7 Shock, Resuscitation, and Vascular Access Flashcards

1
Q

Usually how much blood volume loss has occurred in the shock patient with hypotension?

A

30-40%

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2
Q

What are two causes of distributive shock?

A

Neurogenic

Septic

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3
Q

What type or shock is associated with bradycardia and hypotension?

A

Neurogenic

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4
Q

Neuroginc is typically the result of spinal injuries above what level?

A

T6

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5
Q

By what volume does 1000mL Lactated Ringers expand intravascular volume by within 1 hour of administration?

A

250 mL

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6
Q

By what volume does Hextend 500mL expand intravascular volume by within 1 hour?

A

800 mL

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7
Q

In which condition would Hextend not be as effective in increasing intravascular volume?

A

a patient with significant dehydration

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8
Q

In neuroginc shock, what blood pressure do you try to maintain with intravascular resuscitation?

A

SBP > 110

or mean arterial pressure > 80

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9
Q

In the neuroginc shock patient, what medication can you add after intravascular resuscitation?

A

Vasopressors like Phenylephrine

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10
Q

After definitive hemorrhage control, what urine output do you want to achieve in the patient with shock?

A

> 0.5 mL/kg/h

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11
Q

What is the maximum time IO devices should be in place?

A

24 hours

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12
Q

How much blood volume is lost in a patient in Class I shock?

A

<15%

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13
Q

How much blood volume is lost in a patient in Class II shock?

A

15-30%

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14
Q

How much blood volume is lost in a patient in Class III shock?

A

30-40%

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15
Q

How much blood volume is lost in a patient in class IV shock?

A

> 40%

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