PMC7284951_01
(a) Fluoroscopically showing the pericardiotomy balloon by the pericardium. (b) After balloon inflation, the balloon waist disappeared.
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fig1
Under fluoroguidance, a 2.0*20 mm Z MED balloon, Medtronic manufacture, was placed at the pericardial edge; the balloon was inflated twice until the balloon waist disappeared (Figure 1), and a drain was left in place for 24 hours after the procedure.