(dis-sing'krŏ-nē )

[dys- + synchrony]

Any disorder in the normal or expected coordination of timed events.

auditory d.Auditory neuropathy.

neuromechanical d.Any difference between the respiratory support provided to a patient by a mechanical ventilator and the patient's breathing. In neuromechanical dyssynchrony, the inspiration of the ventilator is typically longer than the patient's. This difference is referred to colloquially as “fighting the ventilator.”

patient-ventilator d.Failure of synchronous interaction between a patient's neurally controlled breathing and the timing of a mechanical ventilator.

SEE: patient-ventilator interaction.

ventricular d.A delay in the contraction of one wall of a cardiac ventricle relative to another during systole.