SIMV

SIMV (abbreviation for synchronized intermittent mandatory ventilation ) is a form of ventilation in which a fixed minimum frequency is specified, but at the same time the ventilation frequency can be extended through self-breathing. The mechanical ventilation strokes are synchronized with spontaneous breathing . The patient can breathe himself between the mechanical ventilation strokes, the frequency of which can be freely selected. A certain minimum respiratory minute volume can be ensured via the specified respiratory rate and the set respiratory stroke volume (V _T ) . The patient's spontaneous breathing is different in z. B. to CPPV / IPPV , since breathing is supported by the initial pressure drop caused by the patient's effort to inhale ( assisted spontaneous breathing ). SIMV ventilation is mainly used to wean patients off the ventilator ("weaning").

literature

• Harald Genzwürker, Jochen Hinkebein: Case book anesthesia, intensive care medicine and emergency medicine. Georg Thieme, Stuttgart / New York 2005, ISBN 3-13-139311-4 , p. XVII.

See also

• BiPAP ventilation
• CPAP ventilation
• IPPV (IPP ventilation)

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