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Figure 2: Sequence of balloon pulmonary valvotomy in the lateral view. A: Lateral view RV angiogram showing doming pulmonary valve (white arrow). B: Dilatation with coronary balloon over 0.014-guide wire showing the waist formation at pulmonary valve. C: Dilatation with an oversized Tyshak mini balloon forming a prominent waist

Figure 2: Sequence of balloon pulmonary valvotomy in the lateral
view. A: Lateral view RV angiogram showing doming pulmonary
valve (white arrow). B: Dilatation with coronary balloon over
0.014-guide wire showing the waist formation at pulmonary valve.
C: Dilatation with an oversized Tyshak mini balloon forming a
prominent waist