Consumer Reports Best Buy Drugs category; and cost less on average than other drugs in the category. Several of the Best Buys have been chosen because of their superior effectiveness or safety profile even though they may cost more. The project publishes Best Buy Drugs drug reports, the first three such reports covered Statins to reduce high cholesterol, heartburn drugs, and NSAIDs commonly used to treat arthritis. The project covers over 20 conditions and the most widely used drugs. The reports are published in web versions, and two-page PDF summaries in English and Spanish. More than half of all prescription drugs cause adverse effects—some serious
Palpitations heart disease, hyperthyroidism, diseases affecting cardiac muscle such as hypertrophic cardiomyopathy, diseases causing low blood oxygen such as asthma and emphysema; previous chest surgery; kidney disease; blood loss and pain; drugs such as antidepressants, statins, alcohol, nicotine, caffeine, cocaine and amphetamines; electrolyte imbalances of magnesium, potassium and calcium; and deficiencies of nutrients such as taurine, arginine and iron. Three common descriptions of "palpitation" are "flip-flopping" (or "stop and start"), often caused by premature contraction of the atrium or ventricle, with the perceived "stop" from the pause following the contraction, and the "start" from the subsequent forceful contraction; rapid "fluttering in