ECMO Introduction – Questions And Appropriate
Solutions
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Terms in this set (55)
What does ECMO aim to Failing lungs
supplement?
What does ECLS, Heart failure
extracorpeal life support
aim to support?
Oxygenation and decarboxylation of the blood (release
What does ECMO affect?
of CO2)
The term ECMO is used All short-term circulatory support techniques (under 1
for? month)
Venoarterial ECMO ECLS for heart failure or cardiopulmonary failure
(ECMO-VA) is used to
discuss?
What is venovenous ECMO Respiratory failure only
used to discuss?
What does ecmo not have ECMO has no cardiotomy reservoir to store the blood -
vs. cardiopulmonary is closed circuit.
bypass?
Why is it important to The system is more dependent on the preload and
understand that ECMO has after-load than a bypass machine is. CBP is just used for
no reservoir to store a few hours, ECMO is used for several days or weeks.
blood?
The basics of the ECMO blood passes through an oxygenator to allow gas
circuit include an exchange. The pressure generated by the pump -->
understanding that... replaces part or all of the cardiac function
What is venovenous Blood is taken from the vein and returned via vein
ECMO?
, mixed with the venous blood and continues normally
The returned blood is...? through (vein to right heart to lungs to left heart to
systemic circulation)
If the proportion of blood a greater proportion of ECMO blood will bring a higher
going through the circuit is concentration of oxygen to the right side of the heart.
increased but patients
cardiac output remains the CO increases, but blood flow is same? oxygenated
same... blood to right side of heart decreases
blood returns in internal jugular vein, tip clsoe to the
right atrium.
Blood drains from femoral vein cannula in inferior vena
Venovenous ecmo circuit
cava.
drains femoral vein --> meets pump--> meets
oxygenator -->returns into internal jugular
Blood is taken from a vein and returned via artery.
What is veno-arterial
can be a peripheral artery or the aorta. it can also be
ECMO?
peripheral vein with return cannula in through the chest
into the aorta.
Blood flows in the opposite direction, driven by pts own
Absence of pump?
blood pressure.
the blood will go from vein to artery and bypass
function of the heart --> makes a shunt --> injects
venous blood (non-oxygenated) into the arterial
pump generates higher
system. oxygenator is indispensable.
pressure than patients
own?
this is how ECMO supports a failed heart (pump
support) or failed lungs (required gas exchange), or
both
Can drain from blood in femoral vein, in inferior vena
Veno arterial ECMO cava --> meets pump--> meets oxygenator --> returns
via subclavian artery
Blood drains from right atrium/open chest --> meets
Veno-arterial EMCO,
pump --> meets oxygenator -->returns to ascending
additional placement
aorta
Solutions
Save
Terms in this set (55)
What does ECMO aim to Failing lungs
supplement?
What does ECLS, Heart failure
extracorpeal life support
aim to support?
Oxygenation and decarboxylation of the blood (release
What does ECMO affect?
of CO2)
The term ECMO is used All short-term circulatory support techniques (under 1
for? month)
Venoarterial ECMO ECLS for heart failure or cardiopulmonary failure
(ECMO-VA) is used to
discuss?
What is venovenous ECMO Respiratory failure only
used to discuss?
What does ecmo not have ECMO has no cardiotomy reservoir to store the blood -
vs. cardiopulmonary is closed circuit.
bypass?
Why is it important to The system is more dependent on the preload and
understand that ECMO has after-load than a bypass machine is. CBP is just used for
no reservoir to store a few hours, ECMO is used for several days or weeks.
blood?
The basics of the ECMO blood passes through an oxygenator to allow gas
circuit include an exchange. The pressure generated by the pump -->
understanding that... replaces part or all of the cardiac function
What is venovenous Blood is taken from the vein and returned via vein
ECMO?
, mixed with the venous blood and continues normally
The returned blood is...? through (vein to right heart to lungs to left heart to
systemic circulation)
If the proportion of blood a greater proportion of ECMO blood will bring a higher
going through the circuit is concentration of oxygen to the right side of the heart.
increased but patients
cardiac output remains the CO increases, but blood flow is same? oxygenated
same... blood to right side of heart decreases
blood returns in internal jugular vein, tip clsoe to the
right atrium.
Blood drains from femoral vein cannula in inferior vena
Venovenous ecmo circuit
cava.
drains femoral vein --> meets pump--> meets
oxygenator -->returns into internal jugular
Blood is taken from a vein and returned via artery.
What is veno-arterial
can be a peripheral artery or the aorta. it can also be
ECMO?
peripheral vein with return cannula in through the chest
into the aorta.
Blood flows in the opposite direction, driven by pts own
Absence of pump?
blood pressure.
the blood will go from vein to artery and bypass
function of the heart --> makes a shunt --> injects
venous blood (non-oxygenated) into the arterial
pump generates higher
system. oxygenator is indispensable.
pressure than patients
own?
this is how ECMO supports a failed heart (pump
support) or failed lungs (required gas exchange), or
both
Can drain from blood in femoral vein, in inferior vena
Veno arterial ECMO cava --> meets pump--> meets oxygenator --> returns
via subclavian artery
Blood drains from right atrium/open chest --> meets
Veno-arterial EMCO,
pump --> meets oxygenator -->returns to ascending
additional placement
aorta
