Chapter 7

Operating Theory

Emergency Modes of Ventilation

Figure 7-7: Spont/T Mode

The ventilator has the following two emergency modes of ventilation that are entered in response to certain alarm conditions:

Apnea Ventilation

Safety Valve Open

Apnea Ventilation

Apnea ventilation provides an emergency mode of ventilation if the ventilator does not deliver a breath for an operator set interval of time. The apnea time can be set between 10 and 60 seconds. Upon entering this mode of ventilation, the ventilator will alarm and immediately start using the Apnea Rate setting specified by the operator. In PCV and VCV, the ventilator will begin delivering breaths in Assist/Control (A/C), but with the operator set Apnea Rate. In NPPV, the ventilator will deliver only machine controlled breaths either at the operator set Apnea Rate or in response to patient effort. In Apnea ventilation, the alarms used are the ones used for machine controlled breaths for the ventilation breath type (VCV, PCV and NPPV) the ventilator was using when Apnea occurred.

REF 1057983 A

Respironics V200 Ventilator Operator’s Manual

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Philips V200 manual Emergency Modes of Ventilation, Apnea Ventilation

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