Document ID: chunk:federal_register_of_legislation:F2023L00913:reg:9
Version: federal_register_of_legislation:F2023L00913
Segment Type: reg
Provision Reference: reg 9
Character Range: 4183–6103

9               Factors that must exist
At least one of the following factors must as a minimum exist before it can be said that a reasonable hypothesis has been raised connecting pulmonary barotrauma or death from pulmonary barotrauma with the circumstances of a person's relevant service:
(1)          experiencing an episode of rapid change in the ambient pressure exerted by an envelope of gas or water surrounding the person whilst:
(a)          descending in an underwater dive;
(b)          surfacing from an underwater dive;
(c)          increasing in altitude whilst flying in an aircraft;
(d)          suffering loss of cabin pressure in an aircraft at altitude;
(e)          decompressing in a hypobaric chamber;
(f)           returning to surface air pressure after being in a hyperbaric chamber including hyperbaric oxygen therapy chambers;
within 24 hours before the clinical onset of pulmonary barotrauma;
(2)          receiving artificial ventilation at the time of the clinical onset of pulmonary barotrauma;
Note: artificial ventilation is defined in the Schedule 1 - Dictionary.
(3)          sustaining a blast injury involving the chest at the time of the clinical onset of pulmonary barotrauma;
(4)          smoking or inhaling cocaine or cannabis within 24 hours before the clinical onset of pulmonary barotrauma;
(5)          undertaking a Valsalva manoeuvre whilst:
(a)          forcefully vomiting;
(b)          forcefully coughing;
(c)          giving birth;
(d)          performing positive anti-g straining manoeuvre;
(e)          suffering intractable hiccups; or
(f)           weight lifting at a gym;
within 24 hours of the clinical onset of pulmonary barotrauma;
Note: The Valsalva manoeuvre is exhaling air against a closed glottis (airway).
(6)          inability to obtain appropriate clinical management for pulmonary barotrauma before the clinical worsening of pulmonary barotrauma.