Thoracic outlet syndrome (TOS) is a group of conditions that occur when you have compressed nerves or blood vessels in the thoracic outlet. The thoracic outlet is the triangular space between your collarbone, first rib, and a muscle in your back called the ...

Each month, The Clinical Advisor makes one new clinical feature available ahead of print. Don’t forget to take the poll. The results will be published in the next month’s issue. Once a poorly understood and heavily debated disease within cardiovascular ...