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MV - Exam #2

Mechanical Ventilation Exam 2

QuestionAnswer
What does VC-CMV stand for? Volume Control - Controlled Mandatory Ventilation
How is VC-CMV triggered? Time triggered
How is VC-CMV cycled? Volume and HPL (high pressure limit) cycled
How are breaths given in VC-CMV mode? Machine breaths
Describe VC-CMV mode Sensitivity set so patient cannot breathe over the vent (cannot take more than set breaths)
What does VC-AC stand for? Volume Control - Assist Control
How is VC-CV triggered? Time, pressure, and flow triggered
How is VC-AC cycled? Volume and HPL cycled
How are breaths given in VC-AC mode? Machine and assisted breaths
Describe VC-AC mode Sensitivity is set so patient can initiate breaths between set breaths - all breaths (whether set or patient) get set VT
What does VC-SIMV stand for? Volume Control - Synchronized Intermittent Mandatory Ventilation
How is VC-SIMV mode triggered? Time, pressure, and flow triggered
How is VC-SIMV mode cycled? Volume, HPL, and flow cycled
How are breaths given in VC-SIMV mode? Machine and spontaneous breaths
Describe VC-SIMV mode Sensitivity set so patient can initiate breaths between set breaths, set breaths get set VT and patient breaths generate their own VT
What does PC-CMV stand for? Pressure Control - Controlled Mandatory Ventilation
How is PC-CMV mode triggered? Time triggered
How is PC-CMV mode cycled? Time and HVL (high volume limit) cycled
How are breaths given in PC-CMV mode? Machine breaths
Describe PC-CMV mode Sensitivity set so patient cannot breath over the vent, cannot take more than set breaths
What does PC-AC stand for? Pressure Control - Assist Control
How is PC-AC mode triggered? Time, pressure, and flow triggered
How is PC-AC mode cycled? Time and HVL cycled
How are breaths given in PC-AC mode? Machine and assisted breaths
Describe PC-AC mode Sensitivity set so patient can initiate breaths between set breaths; all breaths (whether set or patient) get set PIP for set time
What does PC-SIMV stand for? Pressure Control - Synchronized Intermittent Mandatory Ventilation
How is PC-SIMV mode triggered? Time, pressure, and flow triggered
How is PC-SIMV mode cycled? Time, HVL, and flow cycled
How are breaths given in PC-SIMV mode? Machine and spontaneous breaths
Describe PC-SIMV mode Sensitivity set so patient can initiate breaths between set breaths; set breaths get set PIP and patient breaths generate their own PIP
What does CPAP stand for? Continuous Positive Airway Pressure
How is CPAP triggered? Pressure and flow triggered
How is CPAP cycled? Flow cycled
How are breaths given in CPAP? Spontaneous breaths
Describe CPAP Set positive pressure applied during inspiration and expiration
What are the benefits of CPAP? Increased FRC, decreased pressure needed for alveolar inflation, decreased WOB, less FiO2 to achieve adequate PaO2, most therapeutic for hypoxemia secondary to intrapulmonary shunting, increased cL, keeps alveoli stable
What does PS stand for? Pressure Support Ventilation
How is PS mode triggered? Pressure and flow triggered
How is PS mode cycled? Flow cycled
How are breaths given in PS mode? Spontaneous breaths
Describe PS mode Set pressure delivered and held through inspiration
What are the indications for PS mode? Decreased spontaneous VT (<5mL/kg of their IBW), Increased RR (>25-30), Increased WOB ( accessory muscle use, fatigue, increased vitals, diaphoresis, decreased SpO2)
Created by: ashconrad417