Shock Flashcards
(30 cards)
___ is determined by the radius of the resistance vessels
systemic vascular resistance (SVR)
Blood pressure formula:
BP =
CO x SVR
__ is measured through central line
a. PAOP
b. CVP
b. CVP
__ is measured through PA catheter or Swan-Ganz
PAOP
__ is an estimate of tight atrial pressure (preload)
central venous pressure (CVP)
__ is an indirect estimate of left atrial pressure (preload) aka pulmonary capillary wedge pressure (PCWP)
pulmonary artery occlusion pressure (PAOP)
Hemorrhage and severe dehydration are a __ problem
a. pump
b. fluid
c. pipe
b. fluid
hypovolemic
PE and tamponade are a __ problem
a. pump
b. fluid
c. pipe
a, c
pipe and or pump
obstructive
Sepsis and anaphylaxis are a __ problem
a. pipe
b. pump
c. fluid
a. pipe
distributive
In hypovolemic shock which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: decreased
PCWP: decreased
CO: decreased
SVR: increased
only SVR is increased
In cardiogenic shock which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: increased
PCWP: increased
CO: decreased
SVR: increased
only CO decreased
In obstructive shock (tamponade) which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: increased
PCWP: increased
CO: decreased
SVR: increased
only CO is decreased
In obstructive shock (PE) which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: increased
PCWP: increased or normal
CO: decreased
SVR: increased
In distributive shock (pre-resuscitation which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: decreased
PCWP: decreased
CO: decreased
SVR: decreased
all decreased
In distributive shock (post-resuscitation) which are increased/decreased?
CVP
PCWP
CO
SVR
CVP: increased
PCWP: increased
CO: increased
SVR: decreased
only SVR is decreased
osmolarity formula:
osm =
2na + (BUN/2.8) + (glucose/18)
What is normal osmolarity of blood?
300 mOsm/L
What is lower limit of tolerable osmolarity?
150mOsm/L
alpha 1 receptors are associated with ___
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
b. vasoconstriction
alpha 2 receptors are associated with __
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
a. vasodilation
beta 1 receptors are associated with __
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
d. increased chronotropy
beta 2 receptors are associated with __
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
a. vasodilation
dopamine is associated with ___
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
b. vasoconstriction
vasopressin 1 is associated with ___
a. vasodilatoin
b. vasoconstriction
c. increased blood volume
d. increased chronotropy
b. vasoconstriction
