During pulmonary artery catheter insertion, the characteristic waveform that confirms the catheter tip is in the right ventricle is:
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A
High systolic pressure with low diastolic pressure and no dicrotic notch
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B
Low phasic waveform with prominent 'a' and 'v' waves
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C
Continuous low-pressure waveform
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D
High systolic and diastolic pressure with dicrotic notch