Can you accurately measure central venous pressure via a FEMORAL central venous line?

Answer 1

In most cases, measurements from a femoral central venous line are a reliable indication of central venous pressure. This has been studied in multiple papers which included adults, children, spontaneously breathing subjects and intubated subjects. It was also the subject of a literature review in the Emergency Medical Journal in 2003.

Readings from the femoral line tended to be around 0.5 mmHg lower than measured right atrial pressures and were rarely off by more than 3 mmHg. Cases where pressures measured from the groin may be higher than the true central venous pressure include pregnancy, patients with increased intraabdominal pressure, and patients undergoing laporascopic abdominal procedures.

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