Barotropic background currents in the Gulf of California

A field of barotropic background currents (BC) in the Gulf of California is constructed numerically.The definition of BC used here is based on suppositions about (i) the horizontal homogenization of potential vorticity in large-scale gyres, and (ii) the tendency of a current structure to evolve to a state with a minimum of system mechanical energy.

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Malposition of Central Venous Catheter Inserted under Ultrasound Guidance in Intensive Care Unit: A Case Series

Malposition of central venous catheter tip inserted into the subclavian and internal jugular vein is a rare unavoidable complication that can be decreased if inserted under ultrasound guidance.We report Lids case series of three patients, two of subclavian and another of internal jugular inserted central venous catheter, in which the catheter malpo

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