Chapter 6
Operation
1047358 Rev N Respironics V60 Ventilator User Manual 6-9
Guidelines for using PPV
NOTE: The guidelines below are based on recommendations by
clinicians. They do not replace the clinical judgment of a
physician and should not, on their own, be used for clinical
decision making.
Determining Max R and Max E settings
It is recommended you set Max R (flow assist) and Max E (volume assist) to
initial values and then titrate them based on the patient’s disease process:
• Obstructive disease (COPD, asthma): Focus on Max R. Overcoming
increased resistance is typically the emphasis, not volume delivery.
• Restrictive disease (neuromuscular, chest-wall deformities, obesity
hypoventilation): Focus on Max E. Maintaining sufficient volume is
typically the emphasis, not overcoming increased resistance.
• Mixed disease processes affecting both resistance and elastance:
Titrate both Max R and Max E settings.
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