You are currently viewing Arterial Thoracic Outlet Syndrome : Mnemonic

Here is a quick mnemonic ” ARTERIAL “ to remember about Arterial Thoracic Outlet Syndrome.

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NEET PG, FMGE, NExT & NCLEX exams

Arterial Thoracic Outlet Syndrome (ATOS) is a rare condition in which the arteries that supply blood to the arms are compressed as they pass through the thoracic outlet, the narrow passageway between the collarbone and the first rib. This compression can lead to a decrease in blood flow to the arms, causing symptoms such as pain, numbness, and weakness.

Arterial Thoracic Outlet Syndrome : How To Remember Easily ?

  • A – Arterial TOS is caused by compression of the subclavian artery by a cervical rib

  • R – Resulting in poststenotic dilatation of the artery and in some cases secondary thrombus formation

  • T – Thrombus formation can lead to signs of emboli in the hand

  • E – Emboli may be present in the affected limb

  • R – Reduced blood pressure is observed in the affected limb

  • I – In fact, Ultrasound can be used for noninvasive diagnosis

  • A – Anticoagulation or thrombolysis may be used for treatment

  • L – Lastly, Surgical excision of the cervical rib compressing the subclavian artery may be necessary

Mnemonic : ARTERIAL

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department