chennai the health condition of playback singer sp balasubrahmanyam who is suffering from covid19 remains stable a medical bulletin issued by mgm healthcare in chennai said on friday evening spb is on ventilator and ecmo in the intensive care unit of the hospital while the ventilator uses pressure to blow oxygenated air into the lungs the ecmo pumps blood to a heartlung machine which removes carbon dioxide and returns oxygenfilled blood back to tissues a multidisciplinary team of medical experts was keeping a very close watch on the vital parameters of spb said the medical bulletin issued by mgm healthcare assistant director dr anuradha baskaran the team has been constantly updating his family regarding his clinical status and progress it saidthe 74yearold singer was admitted to hospital on august 5 with mild symptoms his condition deteriorated on august 13a bulletin issued by the hospital on thursday said our multidisciplinary team of clinicians have been actively collaborating with national and international experts and continue to closely monitor his vital parameters