Heart Lung Machine is used in cardiac surgery.This machine work under of perfusionist.With the help of this machine perfusionist arrest(Without beating) the heart thats help in open heart surgery.This amazing machine has 6 pump that pump and circulate the blood in whole body.From the heart HLM receive deoxygenated blood and blend(mixed) with oxygen and then send to arota of the heart.CABG case is a normal case of blockage in coronory arterys of heart so in this case heart lung machine required as a emergency option.But in the heart defect cases like MVR,ASD,VSD,and so more heart problems in which pump is required this machine is used for pump the blood without the working of the heart and lung. #Subscribe my channel on youtube "medicalfacts" to get medical updates and health tips. @medicalfacts Thanks Sanjeev Gupta