When Placing a Pacemaker, You Know You're on the Wrong Side When

... your wires look like this: 

AP fluoroscopic view


... and the venogram looks like this: 

Results of a left subclavian venogram


-Wes

A Chest X-Ray You Don't See Everyday

... unless, of course, you're a cardiac electrophysiologist:

An anterior-posterior (AP) and lateral (LAT) chest radiograph
(Click image to enlarge)

-Wes

PS: Answer here.