Figure 1From: Injurious mechanical ventilation causes kidney apoptosis and dysfunction during sepsis but not after intra-tracheal acid instillation: an experimental study Timeline of the experiment. Septic rats and rats after acid instillation were mechanically ventilated for 4Â hrs after which blood was drawn, the rats were sacrificed and the organs harvested. See text for further details. HVT: high tidal volume, LVT: low tidal volume, PEEP: positive end-expiratory pressure.Back to article page