What could cause elevations of methylmalonic acid (MMA) with normal vitamin B12 in a nonvegetarian adult? Should B12 supplements be used?—Santosh D. Kaushal, MD, Rockville, Md. An elevated MMA is a very sensitive and specific marker of B12 deficiency. There is evidence that up to 10% of individuals who have normal or low normal B12…
A faulty dermal patch causes a fatal overdose, but if she didn’t prescribe it, why is this NP in court?
Juice made from the açaí berry is an excellent source of essential fatty acids, fiber, and antioxidants. But does it live up to the hype?
A 70-year-old Asian American man who has signs of hemoconcentration that may be due to plasma contraction also has the following lipid levels: total cholesterol 91 mg/dL, triglycerides 64 mg/dL, LDL 39 mg/dL, HDL 39 mg/dL, and cholesterol-to-HDL ratio 2.3. He takes atorvastatin (Lipitor) and ezetimibe (Zetia) 10 mg each daily. His past history includes…
Many of my pediatric patients with chronic otitis media have had tubes inserted in their ears. Their parents are usually unaware of the type of tube placed. According to my limited research, a variety of forms are available (e.g., titanium, silicone, plastic-coated, antibiotic-coated, etc.). How do I determine with absolute certainty which tubes are plastic…
Women are less likely than men to be diagnosed with coronary heart disease if they mention a stressful event
Too often patients focus on daily goals of diabetes management, but don’t let them lose sight of the ultimate goal: preventing end-organ damage.
