basic ventilator PP
Help!
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| show | How we deliver the breath. How the machine will deliver insp and create expiratory
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| show | determine ease with which pt can begin inspiration (flow or pressure sensitivity)
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| Inverse IE ratio | show 🗑
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| show | Pressure that is required to deliver the set volume on the ventilator. (HOW MUCH PRESSURE YOU NEED TO VENTILATE THE LUNG)
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| MAP mean airway pressure | show 🗑
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| Negative pressure | show 🗑
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| Positive pressure | show 🗑
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| show | pathway for air inside the machine
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| external circuit | show 🗑
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| show | function properly without a exhalation valve, machine would not deliver a positive pressure breath
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| Assist | show 🗑
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| control | show 🗑
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| show | time, pressure, flow, volume triggers
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| show | used instead of pressure triggering, more senstive to pt effort. Decreased WOB, base flow rate is set through the pt circuit., as pt reduces that flow by an amount (trigger flow) machine delivers pt breath.
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| The variable that is measured and used to end expiration | show 🗑
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| Pressure cycled | show 🗑
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| Volume cycled | show 🗑
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| show | inspiration ends when a set time expired. Pressure is constant.
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| What effects expiratory time | show 🗑
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| show | inspiration ends when a min flow is met. Breath in and when you are filled that flow drops (stops) and makes you exhale
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| Pressure limited/time cycled | show 🗑
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| How pressure limited/time cycled works | show 🗑
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| show | prevents the ventilator from delivering breaths with an IE ratio of less than 1:1
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| show | sets a maximum inp pressure that can be delivered to the pt. Stops inspiration, (SAFETY PRESSURE LIMIT WE SET)
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| Inflation hold (plateau) | show 🗑
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| Pressure limiting relief valve alarm | show 🗑
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| show | on expiration, pressure is held at an elevated baseline above atmosphere, WORKS BY INCREASING FRC. (RAISE BASELINE,OPENS AIRWAY)
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| show | when used on ventilator, it is same as PEEP except that the pt must be taking only SPONTANEOUS breaths.
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| Assist/control | show 🗑
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| assist | show 🗑
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| show | pt cannot initiate breath on their own
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| show | pt must be breathing spontaneously, used as weaning mode
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| Pressure support | show 🗑
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| Pressure control | show 🗑
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| IMV | show 🗑
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| show | same as IMV but if pt has started to take OWN breath and it's time for a machine breath the machine will wait and allow pt to take control. (will not stack breaths)
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| CMV continous mandatory ventilation | show 🗑
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| show | NO SET, pt has control of RR and volume. FLow is provided at a level necessary to acheive the set pressure. Pressure is then maintained throughout inspiration. Machine cycles off when flow delivered slows down.
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| show | muscle, pressure, flow, compliance and resistance
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| Flow cycled on PSV | show 🗑
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| Pressure limited on PSV | show 🗑
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| Assisted ventilation on PSV | show 🗑
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| show | when breath starts it helps push up until it drops (flow drops)
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| Levels of 7 and below | show 🗑
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| show | can add to spontanous tidal volume
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| Goal of pressure support PSV | show 🗑
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| show | close to volume that is set
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| show | Decrease WOB, increase spontaneous tidal volume, can decrease RR, increase Vt, reduces resp muscle activity, can decrease oxygen consumption (how body is using it)
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| Pt not breathing on their own (spontaneously) or not strong enough to initiate an assisted breath | show 🗑
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| show | SIMV
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| If pt's tidal volume is large but has low PaO2 use | show 🗑
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| Pt strong enough to assist ventilator but has low Vt in spontaneous breaths use | show 🗑
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| When oxygenation is poor and pressure control does not work try | show 🗑
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| show | best ventilate the pt, low peak airway pressure, low mean airway pressure, IE ratio of at least 1:2 or less
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| On Volume cycled ventilators if you increase the flow | show 🗑
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| On volume cycled ventilators if you decrease the flow | show 🗑
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| show | increase I time/ decrease E time
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| if you decrease the volume | show 🗑
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| If you the pt fights the machine | show 🗑
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Popular Respiratory Therapy sets