Donaudampfschiffahrtselektrizitätenhauptbetriebswerkbauunterbeamtengesellschaft.
Even more impressive because of it's unholy pronunciation, the Hungarian „longest” word: ’megszentségteleníthetetlenségeskedéseitekért’
/ˈmɛksɛntʃeːktɛniːthɛtɛtlɛnʃeːɡɛʃkɛdeːʃɛɪtɛkeːrt/
The poster's 2014. And yeah, Oz does seem to advise against abdominal thrusts (Heimlich), instead recommending chest thrusts. However, the US and European agencies recommend back slaps/coughing and then the Heimlich.
Also yeah, breathing in CPR doesn't really show benefits that outweigh lost time, so probably just compress.