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7364 Critical Care Block 2 > Shock > Flashcards

Shock Flashcards

1
Q

___ is determined by the radius of the resistance vessels

A

systemic vascular resistance (SVR)

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2
Q

Blood pressure formula:

BP =

A

CO x SVR

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3
Q

__ is measured through central line

a. PAOP
b. CVP

A

b. CVP

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4
Q

__ is measured through PA catheter or Swan-Ganz

A

PAOP

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5
Q

__ is an estimate of tight atrial pressure (preload)

A

central venous pressure (CVP)

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6
Q

__ is an indirect estimate of left atrial pressure (preload) aka pulmonary capillary wedge pressure (PCWP)

A

pulmonary artery occlusion pressure (PAOP)

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7
Q

Hemorrhage and severe dehydration are a __ problem

a. pump
b. fluid
c. pipe

A

b. fluid

hypovolemic

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8
Q

PE and tamponade are a __ problem

a. pump
b. fluid
c. pipe

A

a, c

pipe and or pump

obstructive

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9
Q

Sepsis and anaphylaxis are a __ problem

a. pipe
b. pump
c. fluid

A

a. pipe

distributive

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10
Q

In hypovolemic shock which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: decreased
PCWP: decreased
CO: decreased
SVR: increased

only SVR is increased

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11
Q

In cardiogenic shock which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: increased
PCWP: increased
CO: decreased
SVR: increased

only CO decreased

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12
Q

In obstructive shock (tamponade) which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: increased
PCWP: increased
CO: decreased
SVR: increased

only CO is decreased

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13
Q

In obstructive shock (PE) which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: increased
PCWP: increased or normal
CO: decreased
SVR: increased

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14
Q

In distributive shock (pre-resuscitation which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: decreased
PCWP: decreased
CO: decreased
SVR: decreased

all decreased

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15
Q

In distributive shock (post-resuscitation) which are increased/decreased?

CVP
PCWP
CO
SVR

A

CVP: increased
PCWP: increased
CO: increased
SVR: decreased

only SVR is decreased

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16
Q

osmolarity formula:

osm =

A

2na + (BUN/2.8) + (glucose/18)

17
Q

What is normal osmolarity of blood?

A

300 mOsm/L

18
Q

What is lower limit of tolerable osmolarity?

A

150mOsm/L

19
Q

alpha 1 receptors are associated with ___

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

b. vasoconstriction

20
Q

alpha 2 receptors are associated with __

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

a. vasodilation

21
Q

beta 1 receptors are associated with __

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

d. increased chronotropy

22
Q

beta 2 receptors are associated with __

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

a. vasodilation

23
Q

dopamine is associated with ___

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

b. vasoconstriction

24
Q

vasopressin 1 is associated with ___

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

b. vasoconstriction

25
Q

vasopressin 2 is associated with ___

a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy

A

c. increased blood volume

26
Q

First line vasopressor for cardiogenic shock?

A

norepinephrine

dopamine is NOT recommended

27
Q

Which inotrope has some alpha receptor activity?

a. milrinone
b. isoproterenol
c. dobutamine

A

c. dobutamine

increases CO
vasodilation
also vasoconstriction

28
Q

Initial fluid challenge for distributive shock is at least __ mL/kg of crystalloid

A

30

29
Q

What is goal MAP in septic shock?

A

at least 65mmHg

30
Q

Obstructive shock (acute PE):

Which thrombolytic is fibrin selective and has a short half life of 5 minutes?

A

alteplase

7364 Critical Care Block 2 (6 decks)

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