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Home > All Images > 1999 > April > 9 Apr 1999

Images Dated 9th April 1999

Choose from 22 pictures in our Images Dated 9th April 1999 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Coloured X-ray of chest showing heart pacemaker Featured 9 Apr 1999 Print

Coloured X-ray of chest showing heart pacemaker

Heart pacemaker. Coloured X-ray of the chest of a patient, showing a fitted heart pacemaker. This electronic battery-run device is seen above the ribcage with a green lead which connects it to the heart. The heart lies at lower right, taking up part of one lung field. A pacemaker supplies electrical impulses to the heart to maintain the heartbeat at a regular rate. It may be external (worn on a belt) or internal (implanted in the chest). They are fitted in patients suffering a heart block disrupting heart rhythm. Heart pacemakers may provide a fixed rate impulse or discharge only when a heartbeat is missed