Transvenous pacemaker implantation was impossible from the right side in a patient with persistent left superior vena cava (PLSVC) as the two cavae communicated via the coronary sinus and entry into the right heart could not be achieved. Epicardial pacing was instituted.

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http://dx.doi.org/10.1111/j.1540-8159.1991.tb04083.xDOI Listing

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