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StatPearls, LLC

  • Ischemic Stroke
  • Proprioception
  • Stroke

Medial Medullary Syndrome

The medulla oblongata forms the caudal portion of the brainstem and plays a critical role in motor, sensory, and autonomic function. Medial medullary syndrome, also known as Dejerine syndrome, results from infarction of the medial medulla, most commonly due to atherothrombotic occlusion of the paramedian branches of the anterior spinal artery or vertebral artery. This course examines stroke lesions that affect key structures, including the lateral corticospinal tract, medial lemniscus, and hypoglossal nerve, leading to contralateral limb weakness, contralateral loss of proprioception and vibration sense, and ipsilateral tongue deviation, as well as risk factors that mirror those of ischemic stroke, such as hypertension, diabetes, dyslipidemia, smoking, and cardioembolic sources. Diagnosis This activity reviews the anatomy, vascular supply, clinical presentation, evaluation, and management of medial medullary stroke, as well as the diagnosis of the resulting syndrome, which relies on careful neurological examination and neuroimaging. Participants will also gain an understanding of stroke recognition, localization of brainstem lesions, appropriate use of imaging and ancillary testing, and acute and postacute management strategies to reduce morbidity, mortality, and complications through timely, coordinated care. This activity for healthcare professionals is designed to enhance the learner’s competence in identifying medial medullary stroke, performing the recommended evaluation, and implementing an appropriate interprofessional approach when managing this condition.

Credit & MOC Details

Credit information is provided by the course provider. We recommend confirming credit eligibility with the provider or your licensing board before starting the activity.

Credit types

IPCE CreditsUp to 1.5 creditsAAPA Category 1 Credit™Up to 1.5 creditsAMA PRA Category 1 Credit™Up to 1.5 creditsNursingUp to 1.5 creditsPharmacyUp to 1.5 credits

MOC types

ABS — Accredited CMEUp to 1.5 pointsABPATH — Lifelong LearningUp to 1.5 pointsABA — Lifelong LearningUp to 1.5 pointsABTS — Accredited CMEUp to 1.5 pointsABIM — Medical KnowledgeUp to 1.5 pointsABS — Self-AssessmentUp to 1.5 pointsABP — Lifelong Learning and Self-AssessmentUp to 1.5 pointsABTS — Self-AssessmentUp to 1.5 points

FDA REMS

No

Qualifies for MIPS

No

Target Specialties

Cross-Specialty

Relevant across 8 specialties.

Pricing

Fee varies

This provider typically $49–98

See fees on statpearls.com

Listed by the provider

  • Article / monograph / reference
  • Credit · Up to 1.5 credits
  • MOC · Up to 1.5 points
  • Fee varies · this provider typically $49–98
  • Released
    Sep 1, 2026
  • Last day to claim credit
    Sep 1, 2029 3 years left

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