SpotSense: a channel dedicated to at‑home diagnostics, immunoassay testing, and practical medical device tutorials. Here you’ll find step‑by‑step guides on running medical tests at clinic or home, explanations of diagnostic methods and biomarkers, and insights into accessible healthcare technology. Our videos help both patients and professionals understand how modern diagnostics work, how to use devices safely, and what the results mean for health decisions. Subscribe for clear, evidence‑based medical device demonstrations and education.