ECMO Exam questions with correct answers

ECMO Exam questions with correct
answers


A disease must be believed to be possibly____________ for consideration of ECMO -
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answer-Reversible
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There is no ______________ support with VV ECMO - answer-Hemodynamic
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VA ECMO is like _____________ bypass. - answer-Partial. Some blood still travels
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through native heart..
v v v




VA ECLS drains from _________ system and returns to _________ system - answer-
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Venous, Arterial. Cardiac support. Bypasses lungs
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VV ECLS drains from _________ and returns to _________ system - answer-Venous,
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Venous. Drains from Vena Cava and returns to RA tricuspid valve
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To convert mm to french sizing - answer-Multiple the mm x 3
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Dual lumen cannulas must be placed using - answer-Fluoroscopy
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Why do we not cannulate in the carotids of adults? - answer-Plaque
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To cannulate the _________ artery, a surgeon is required along with a gortex graft -
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answer-Subclavian
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It takes ____ - ____ hours to epithelize the surface of the cannulas - answer-6-8. This
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vallows the same circuit to be used, even if heparin was used, in cases of HIT
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Convert Fr to mm - answer-Divide Fr by 3
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Dependent on _________ and _________ - answer-Preload and afterload
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Cardiohelp has no _________ access - answer-Negative
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Hollow fiber microporous membrane material - answer-Polymethylpentene
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Cardiohelp blood flow range - answer-0.5-7L/min v v v v v




The blender is like the _________ _________ on a vent - answer-Minute ventilation
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, Increase sweep to _________ CO2 - answer-decrease
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Transonic Flow probe - answer-Distal to shunts v v v v v v


Measures what flow the pt is receiving v v v v v v


Zero before pt runv v v




Hemoconcentrator - answer-Membrane used to remove free water from circulating blood v v v v v v v v v v


volume (ancillary tech.)
v v v




In VA ECMO can sweep gas flow ever be zero? - answer-NO. Our minimum is 0.5.
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vCauses hypoxia v




In VV ECMO can you clamp gas line? - answer-YES! When weaning!
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How much volume to prime entire circuit? (what kind of bolus to pt) - answer-650mL
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Never occlude the _________ _________ on an oxygenator - answer-Gas exhaust. Risk
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of massive air embolism
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When experiencing "wetting out" or pulmonary edema what can you do to trouble shoot?
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- answer-Sigh the oxygenator. Turn sweep all the way up for 10 seconds. Allows excess
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water to fall out
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What are the drivers of gas exchange in the oxygenator? - answer-diffusion gradients
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Range for lowering CO2/hr - answer-No more than 10-20/hr
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Formula for change of sweep rate - answer-(current pCO2 x current sweep) / desired
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pCO2
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Ways to increase delivery of oxygen - answer-- ^ Hgb (give blood)
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- ^ FdO2
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- ^ FiO2
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- Resolve underlying problem (pneumonia, suction, cannula position, pulmonary dilators)
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Ways to decrease pt oxygen consumption - answer-- Decrease temp
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- ^ sedation
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- Paralyze
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- Synchronize
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Formula for desired blood flow - answer-CI x BSA = DBF
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Pick the _________ cannula that will do the job - answer-Smallest
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