Check out this Cartoon on how your thyroid works. Thyroid issues can get complicated, so this might help explain a little bit better what dotors do not explain to their patients. Check out that T-shirt here:
Aaron Kuehn’s Skeleton and Muscle Typograms - Free PDFs for Wall Art. A free and last minute present for someone studying anatomy or friends who love design and typography. Find the Skeleton Typogram here. You can print your own free PDF.
Great SUPER BASIC visual for people who struggle with EKG interpretation. I am a stickler… so I do not suggest relying solely on counting the Rs to determine rate… not everyone is in normal sinus rhythm.