MechVent Flashcards

1
Q

Equation of motion

A

Pressure = (Flow x Resistance) + (Volume/System Compliance)

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2
Q

Flow-targeted, Volume-cycled breaths

A

Volume Assist Control Ventilation

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3
Q

Pressure-targeted, Time-cycled breaths

A

Pressure Assist Control Ventilation

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4
Q

Triggered to deliver a positive pressure breath at a regular time interval based on a set ventilator rage. All breaths are patient triggered unless RR is below the guaranteed breaths

A

Pressure Assist Control Ventilation

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5
Q

Most widely used mode of ventilation

A

Pressure Support Ventilation

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6
Q

All breaths are patient triggered, once a breath is triggered, flow is delivered to meet a set inspiratory pressure. Breath cycles off once PF decreased to 10-30% of the Peak inspiratory flow

A

Pressure Support Ventilation

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7
Q

Guarantees a set of minimal # of positive pressure breaths delivered as either VAVC or PAVC, but if patient’s RE exceeds the guarantee, the ventilator will allow unassisted breaths

A

SIMV

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8
Q

Flow cycled PS breaths

A

SIMV+PS

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9
Q

Type of PACV that uses VT as feedback control for continuously adjusting the pressure target

A

Pressure regulated volume control

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10
Q

Patient triggered, pressure-targeted, flow-cycled PS where the pressure target is automatically adjusted to achieve a certain volume

A

Volume Support Ventilation

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11
Q

Assist control, pressure targeted, time cycles mode of PACV which utilizes respiratory system mechanics to set the VT-frequency pattern. Clinician sets only a desired minute ventilation.

A

Adaptive Support Ventilation

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12
Q

Uses transient end-respiratory occlusions to measure respiratory system elastance and resistance and estimates pressure required to inflate the respiratory system from the equation of motion

A

Proportional Assist Ventilation (PAV +)

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13
Q

Delivers pressure in proportion to patient effort. Effort is quantified by EMG.

A

Neurally adjusted ventilatory assist (NAVA)

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14
Q

Improves ventilation redistribution

A

Proning Position

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15
Q

Also called biphasic ventilation, bilevel ventilation, bilevel positive airway ventilation. Time-cycled, pressure targeted

A

Airway Pressure Release Ventilation (APRV)

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16
Q

Delivers high breathing frequency (120-900 bpm), with very small VT. Minimizes cyclical overdistention and derecruitment.

A

High Frequency Oscillatory Ventilation

17
Q

Clinician sets gain on patient generated flow and volume

A

Proportional Assist Ventilation