The present invention relates to an RCP cardiopulmonary resuscitation device (100, 200, 400) for applying intrathoracic pressure pulses to an individual (290), the device comprising an air pressure generator (110, 310, 410). ) to supply air to the individual's airway (290), wherein the air pressure generator (110, 310, 410) is configured to: operate a first mode, and in the first mode the air pressure generator Air (110, 310, 410) generates a first outlet (412, 770a, 770b) comprising a first plurality of positive pressure pulses (771) to temporarily increase the subject's intrathoracic pressure to induce compressions of the subject's heart (290). by increasing the volume of the lungs; operating a second mode, wherein in the second mode the air pressure generator (110, 310, 410) generates a second outlet (414, 880) comprising a second plurality of positive pressure pulses to provide an air flow guaranteed to the individual's lungs (290); and applying a resulting outlet (425, 986, 1086) to the airway of the individual (290), the resulting outlet being overlapping the first outlet (412, 770a, 770b) and the second outlet (414, 880); said first plurality of positive pressure pulses (771) having an amplitude greater than 30 hpa (30 mbar) and a frequency in the range of 40 to 240 beats per minute; and said second plurality of positive pressure pulses have an amplitude of less than 30 hpa (30 mbar) and a frequency in the range of 3 to 20 cycles per minute.a presente invenção refere-se a um dispositivo de reanimação cardiopulmonar rcp (100, 200, 400) para aplicar pulsos de pressão intratorácica a um indivíduo (290), sendo que o dispositivo compreende um gerador de pressão de ar (110, 310, 410) para fornecer ar para as vias aéreas do indivíduo (290), sendo que o gerador de pressão de ar (110, 310, 410) é configurado para: operar um primeiro modo, sendo que, no primeiro modo, o gerador de pressão de ar (110, 310, 410) gera uma primeira saída (412, 770a, 770b) que compreende um