ANALOGY

PATIENT

ANALOGY

ANALOGY

PATIENT

ANALOGY

Minute volume

Diaphragm

Daily metabolic challenges

ANALOGY

PATIENT

ANALOGY

Minute volume

Diaphragm

Daily metabolic challenges

Accelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

ANALOGY

Pathology(secretions) PATIENT

ANALOGY

Minute volume

Diaphragm

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

Accelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

ANALOGYANALOGY

VENTILATOR ?

ANALOGYANALOGY

VENTILATOR

ANALOGY

Pathology

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

ANALOGY

Pathology

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

Conventional Ventilator triggers (pushes more) when patient ‘pulls’

Ventilator does not ‘see’ need for speed, and fast metabolic changes, rather estimates and maintains constant speed, as synchronious as possible.

ANALOGY

Pathology

PATIENTMinute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

ANALOGY

Pathology

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

NAVA Level

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

Edimax signal (= Peak Pressure), Tidal volume andBreath rate (= Minute volume) are controlled by the patient

ANALOGY

Pathology

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

NAVA Level

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

(Small) NAVA level increase or decrease usually results in instantaneous Edi signal ‘correction’

ANALOGY

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

Daily metabolic challenges

VENTILATOR

Ppeak

NAVA Level

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

Healing (pathology clearing) will result in lower Edi

ANALOGY

PATIENT

ANALOGY

Minute volume

DiaphragmAccelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

Daily metabolic challenges

VENTILATOR

Ppeak

NAVA Level

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

(faster) Engine improvement (4 cylinders working) will result with lower Edi, AND lower Peak Pressure (more pull)

ANALOGY

Minute volume

Daily metabolic challenges

NAVA Level

NAVA introduces link (Edi) between patient’s carburettor, and ‘push truck’s’ accelerator

PATIENT

Pathology

Accelerator – respiratory centreAcc. Cable – phrenic nerveCarburettor throttle opening – EdiRusted accelerator cable – neurological problems

If engine works with less than 4 cylinders – diaphragm pathology

VENTILATOR

Ppeak

Diaphragm

ANALOGY