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Ultrasound-guided venous cannullation in critical care unit.

Use of ultrasound introduced as part of intensive care therapy makes viable bedside invasive procedures and diagnosis. Due to portability, combined with team training, its use guarantees less complications related to insertion, as well as patients' safety. It also reduces severe conditions related to the catheter, such as pneumothorax among others. Probably, in a near future, as purchase of ultrasound equipment becomes easier and team training more adequate, this tool will become essential in daily clinical practice.