Continuous spontaneous ventilation

Continuous spontaneous ventilation is any mode of mechanical ventilation where every breath is spontaneous (i.e., patient triggered and patient cycled).

Spontaneous breathing is defined as the movement of gas in and out of the lungs that is produced in response to an individual's respiratory muscles. In a nutshell, spontaneous breathing is natural breathing. while at rest, a typical adult will take an average of 18 breaths per minute. Most people are unaware of their breathing patterns unless something interferes with the efficiency of this process. In extreme cases, mechanical ventilation is used when spontaneous breathing is inadequate or ceases entirely.

Dependent modes

Some modes of mechanical ventilation require spontaneous ventilation, some of these include:

Bilevel positive airway pressure (BPAP, BiPAP®)
Continuous positive airway pressure (CPAP)
Airway pressure release ventilation^[1] (APRV, (BiVent®)

References

↑ Modrykamien A, Chatburn RL, Ashton RW (February 2011). "Airway pressure release ventilation: an alternative mode of mechanical ventilation in acute respiratory distress syndrome". Cleveland Clinic Journal of Medicine. 78 (2): 101–10. doi:10.3949/ccjm.78a.10032. PMID 21285342.

Mechanical ventilation

Fundamentals	Modes of mechanical ventilation Mechanical ventilation in emergencies Mechanical ventilation in neonates Nomenclature of mechanical ventilation

Modes	IMV/SIMV CMV ACV CSV PAP BPAP CPAP APRV MMV PAV ASV HFV

Related illness	ARDS Pulmonary barotrauma Pulmonary volutrauma Ventilator-associated pneumonia Oxygen toxicity Ventilator-associated lung injury

Pressure	P_EEP FiO₂ Δ_P P_IP P_S P_AW P_plat

Volumes	V_T V_E V_f

Other	C_dyn C_static P_AO₂ V_D/V_T OI A-a gradient

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