Infection (e.g., gas gangrene) can cause gas to be trapped in the subcutaneous tissues. Subcutaneous emphysema can be caused by medical procedures and medical conditions that cause the pressure in the alveoli of the lung to be higher than that in the tissues outside of them.
So here's a quick look at PFE's most important numbers right now (for April 14, 2017). PFE shares slipped 0.12% or $0.04 from the previous trading session. That took the Pfizer stock price to $33.88.
Pfizer is in the Pharmaceuticals sector. The current market capitalisation stands at Rs 10,916.78 crore. The company management includes R A Shah-Chairman, S Sridhar-Executive Director, Vivek Dhariwal-Executive Director, Pradip P Shah-Independent Director, Uday Khanna-Independent Director, Sunil S Lalbhai-Independent Director. It is listed on the BSE with a BSE Code of 500680 and the NSE with an NSE Code of PFIZER. Its Registered office is at Pfizer Centre, Patel Estate,,Off S. V. Road, Mumbai,Maharashtra - 400102. Their Registrars are Karvy Computershare Private Ltd.