What Is an Iron Lung? HD

We have heard of many iron gadgets and phrases like iron hand, iron man etc. Have you ever thought of a device in which the human body is encapsulated and then forced to breathe? Well, half-century old ‘iron lung’ serves this purpose. An iron lung is a non-invasive negative-pressure ventilator used to artificially maintain respiration during an acute polio infection. polio virus may paralyze muscle groups in the chest and many patients are unable to breathe, at this stage, death is sure, but those who survive usually recover almost to their former strength. Youtube Channel: https://www.youtube.com/user/drzulfiquar Facebook: https://www.facebook.com/drzulfiquarahmed Google+: https://plus.google.com/+ZulfiquarAhmed Website: http://www.drzulfiquar.com