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Home > All Images > 2002 > March > 26 Mar 2002

Images Dated 26th March 2002

Choose from 8 pictures in our Images Dated 26th March 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Heart pacemaker, X-ray Featured 26 Mar 2002 Image

Heart pacemaker, X-ray

Heart pacemaker. Coloured chest X-ray showing a surgically-implanted heart pacemaker (red, centre right). The pacemaker supplies electrical impulses along leads (running to lower centre) to the heart to keep it beating regularly. It is fitted in patients with a malfunctioning sinoatrial node, the part of the heart that initiates each heartbeat, or those with a heart block impairing the nerve impulses generated by the node. Heart pacemakers may provide a regular impulse (fixed rate pacemaker) or discharge only when a heartbeat is missed (demand pacemaker)

© PHT/SCIENCE PHOTO LIBRARY