SensorMedics

VIASYS 3100A Quick Reference Card Rev A

Quick Reference Card

2 Pages

3100A Quick Reference Card 3  4 5  1 2  CONTROLS AT A GLANCE 1. BIAS FLOW - Adjusting Bias Flow will affect mean Paw. Premature 8-15 LPM Nearterm 10-20 LPM Small child 15-25 LPM Large Child 20-30 LPM Lowering Bias Flow may decrease work of breathing and facilitate weaning.  2. ADJUST - Sets the mean airway pressure This control directly affects lung volume and oxygenation. Initial setting is slightly higher than conventional ventilation.  3. POWER - Controls piston displacement Start with a power of 2.0 and adjust for chest wiggle to umbilicus Adjust to achieve optimal PaCO2.  4. INSPIRATORY TIME % - Set to 33% for most applications For some patients, increasing inspiratory time % to 50 can improve ventilation and increase lung recruitment. Once set, this control is not typically changed.  5. FREQUENCY - Breath rate is expressed in hertz. One hertz equals 60 breaths per minute (BPM). Initial frequency settings are dependent on patient size and lung pathophysiology. Generally, the smaller the patient the higher the frequency. Lower frequencies are employed for larger childen and management strategies designed to minimize the potential for gas trapping A decrease in frequency = increased tidal volume. An increase in frequency = decreaded tidal volume.  © 2003 VIASYS Healthcare
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