Subclavian loop
Subclavian loop is a term used in anatomy to describe a loop formed by the subclavian artery as it passes over the first rib. This loop is significant as it can be a site of compression, leading to various clinical conditions.
Anatomy[edit | edit source]
The subclavian artery originates from the brachiocephalic trunk on the right side and directly from the aortic arch on the left side. It passes over the first rib, forming the subclavian loop. The artery then continues as the axillary artery after it crosses the lateral border of the first rib.
Clinical significance[edit | edit source]
The subclavian loop can be a site of compression, leading to conditions such as thoracic outlet syndrome. This can occur due to various reasons such as presence of a cervical rib, hypertrophy of the scalene muscles, or due to certain postural habits.
Diagnosis[edit | edit source]
Diagnosis of conditions related to the subclavian loop is usually done through a combination of clinical examination and imaging studies. Ultrasound, CT scan, and MRI are commonly used imaging modalities.
Treatment[edit | edit source]
Treatment of conditions related to the subclavian loop depends on the underlying cause. This can range from conservative management with physiotherapy and lifestyle modifications to surgical interventions in severe cases.
See also[edit | edit source]
References[edit | edit source]
Subclavian loop Resources | |
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