ADV Modes
What Mode is this?
"Patient breathes spontaneously throughout periods of high and low applied CPAP"
APRV
What are the keys to lung protection?
Transpulmonary Pressure < 27 cm H2O
Pplat < 28 cm H2O
Driving pressure < 15 cm H2O
Vt < 4-8 mL/kg of IBW
What is the primary goal of VC-CMV?
To achieve a VE that matches the patient’s metabolic needs
What are the benefits of APRV?
Decrease in peak airway pressures, improved hemodynamics, and a decreased need for vasopressor and intropic support
VAPS is what kind of mode and what does it guarantee?
Dual - Controlled and guarantees a pressure control breath, a pressure supported breath, or time-cycled, pressure-limited breath to target a preset volume
What Mode is this?
"Delivers a pressure assist in proportion to the patient’s desired VT (volume assist) and to the patient’s instantaneous inspired flow (flow assist)."
PAV
What waveform is useful in reducing mean airway pressure in patients with severe hypotension or cardiovascular instability?
Square Waveform
When is VC-CMV indicated?
A precise minute ventilation (ventilatory pattern) or blood gas parameter, such as PaCO2 is therapeutically essential
What does PAV respond to?
Changes in airway pressure?
What mode is used primarily for weaning patients?
MMV (Mandatory Minute Ventilation)
What mode responds to changes in diaphragmatic EMG activity?
NAVA
How long should your Inspiratory pause be?
0.5-2 seconds
The most common application of VC-CMV is used for what?
To ventilate patients in the immediate postoperative period
How long does pressure release usually last in APRV?
About 0.2 to 1.5 seconds depending on whether or not air trapping is desired.
True or False?
MMV may not provide a smooth transition from mechanical ventilatory support to spontaneous ventilation in patients recovering from a drug overdose or anesthesia.
False
What mode is this?
A volume-targeted, pressure-controlled breath that is available on most ventilators.
PRVC
What should your sensitivity trigger generally be set to?
1-2 L/min
How is PC-IRV defined as?
Pressure-controlled ventilation with an I:E ratio greater than 1:1
What are the most important advantages to PAV and NAVA?
Improved Synchrony
How is HFOV driven?
Magnetically
What mode is this?
"A patient-centered method of The rate and VT are selected by the ventilator’s algorithm to provide the minimum WOB for the patient."
ASV
WOB consists of what 2 components?
WOBvent
WOBpt
What mode is used for patients with neuromuscular disorders such as Guillain-Barre Syndrome?
VC-IMV
PC-IMV has been traditionally associated with mechanical ventilation of infants because of what?
Their oxygenation problems but also because traditionally it had been difficult to control Vt at such small values
What mode is this statement describing?
"Ventilator increases pressure delivery progressively over several breaths until the set and the targeted Vt are about equal"
PRVC