Monday, December 2, 2019


Q: ASV is a mode of ventilation that stands for?

A) Assisted support ventilation
B) Adaptive support ventilation

Answer: B

The objective of the above question is to understand this mode of ventilation by its nomenclature. As the name says "adaptive", it is a ventilatory mode that adapts (calculate/adjust) respiratory rate and inspiratory pressure to achieve targeted minute ventilation.

Although weak there is some data to suggest that ASV decreases the weaning of ventilator duration.




1. Arnal JM, Wysocki M, Nafati C, et al. Automatic selection of breathing pattern using adaptive support ventilation. Intensive Care Med 2008; 34:75. 

2. Kirakli C, Naz I, Ediboglu O, et al. A randomized controlled trial comparing the ventilation duration between adaptive support ventilation and pressure assist/control ventilation in medical patients in the ICU. Chest 2015; 147:1503.

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