WI flounder with the bat again; Ashton Agar was impressive on his return while Mitchell Starc claimed another three wickets
Australia slumped to 45 for 6 with Akeal Hosein taking three quick wickets.
The case was confirmed minutes before the opening delivery.
Australia has started their ODI campaign against West Indies with a bang, beating the hosts by 133 runs via the DLS method.
Apower-packed innings from Evin Lewis proved the backbone of a 16-run victory for West Indies in the fifth and final T20I against Australia.
Mitchell Starc sensational final over defended 11 runs seals narrow win.
Gayle smashed seven sixes and four fours in his 38-ball 67 whereas spinners Fabian Allen and Hayden Walsh combined to pick 3-44.
Hetmyer, Bravo and Russell star with the bat for the hosts as Australia fall in a heap for the second night running
Australia lose 7 for 38 as Marsh all-round brilliance in vain for visitors in 1st T20I at St Lucia.
Sheldon Cottrell also has been brought into the West Indies 15-man ODI squad to take on Australia in Super League action.