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Articles

What Is Carotid Endarterectomy?

What is a carotid endarterectomy? Why a narrowed neck artery is cleared, how the operation works, and what recovery involves.

11/01/26

What Is a Joint Aspiration (Arthrocentesis)?

What is a joint aspiration? What to expect when fluid is drawn from a swollen joint, why the fluid is tested, and how recovery feels.

11/01/26

What Is an EMG and Nerve Conduction Study?

What is an EMG and nerve conduction study? How the two-part nerve and muscle test runs, step by step, and what the results can show.

11/01/26

What Is a Sleep Study (Polysomnography)?

What is a sleep study? What polysomnography records overnight, how the night in the lab unfolds, and how to read what happens next.

11/01/26

Featured Brief

Foley Catheter Insertion in Men and Women: Step-by-Step Guide

This narrated demonstration shows Foley catheter insertion, first on a female mannequin and then for male patients. It covers sterile cleansing, lubricating the catheter, identifying the urethral opening, advancing the catheter gently until urine returns, inflating the balloon, and connecting the drainage system. Differences in technique for male patients, including expected resistance, are also described.

Educational summary — not medical advice.