PMC4991978_01
Distal port pressure (yellow line) and proximal port pressure (blue line) showing identical waveforms
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Fig1
We made the range of the two pressure lines the same and then realized that the two waveforms were completely identical (Fig. 1).
Chest X-ray showing kinked pulmonary catheter
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Fig2
We were able to determine that the catheter had formed a kink around the apex of the right ventricle (Fig. 2).
When bent at just distal site of thermo-dilution lead occurs, two pressure ports face each other (indicated by arrows)
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Fig3
The removed catheter showed evidence of bend at the distal site of the thermo-dilution lead (Fig. 3).