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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side...
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The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
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Metacarpal Small Incision for Carpal Tunnel Syndrome
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Understanding carpal tunnel syndrome.

Jose Omar Garcia1, Derek Scott, Parth Parikh

  • 1At the Mayo Clinic Arizona, Jose Omar Garcia, Derek Scott , and Parth Parikh are students in the School of Medicine; Kara L. Curley practices in neurosurgery, is an assistant professor of neurologic surgery, and is program director of the neurosurgery PA fellowship; and Ali Turkmani is an assistant professor. The authors have disclosed no potential conflicts of interest, financial or otherwise.

JAAPA : Official Journal of the American Academy of Physician Assistants
|November 8, 2022
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Summary

Carpal tunnel syndrome (CTS) affects 4-5% of the population. Understanding its anatomy, symptoms, and diagnostics is crucial for effective treatment and patient referrals.

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Area of Science:

  • Neurology
  • Anatomy

Background:

  • Carpal tunnel syndrome (CTS) is a common entrapment neuropathy.
  • It affects the median nerve, impacting hand function.
  • Prevalence rates indicate a significant public health concern, estimated at 4% to 5% of the population.

Purpose of the Study:

  • To emphasize the importance of a comprehensive understanding of CTS.
  • To highlight the role of anatomy, presentation, and diagnostics in efficient patient management.
  • To underscore the impact of clinical knowledge on treatment outcomes and referral processes.

Main Methods:

  • Review of anatomical structures relevant to median nerve entrapment.
  • Analysis of typical clinical presentations and diagnostic criteria for CTS.
  • Evaluation of existing surgical and nonsurgical treatment modalities.

Main Results:

  • In-depth knowledge of CTS anatomy, presentation, and diagnostics facilitates accurate and timely diagnosis.
  • Both surgical and nonsurgical interventions demonstrate efficacy in improving clinical outcomes.
  • Informed clinicians can better prepare patients and optimize referral pathways.

Conclusions:

  • A thorough understanding of carpal tunnel syndrome is essential for healthcare providers.
  • Effective management relies on accurate diagnosis and appropriate treatment selection.
  • Streamlined referrals and patient preparation lead to enhanced clinical outcomes for CTS patients.