Critical Left Subclavian Artery Stenosis With Retrograde Vertebral Flow: A Case Report and Literature Review.

Subclavian artery stenosis is a rare condition associated with significant morbidity and mortality, making prompt recognition and treatment essential. We present a case of left-sided subclavian artery occlusion with neurological symptoms, including vertigo, unsteady gait, and left upper extremity pain and paresthesia. The patient's symptoms had been progressing over several months.

The Confidence and Accuracy of Medical Students Trained in Ultrasound or Landmarks for Performing Knee Aspiration.

Introduction Medical students are trained using anatomical landmarks in order to perform many procedures, such as knee aspirations. With the growing popularity and use of ultrasound, the question arises whether training students with ultrasound instead of landmarks increases their skill. Previous research has shown increased accuracy and confidence in residents who trained with ultrasound compared to landmarks only.