Aldosterone-to-renin ratio (ARR) as a screening tool for primary aldosteronism (PA)
The aldosterone-to-renin ratio (ARR) is the standard screening test for primary aldosteronism (PA).Because of the poor reproducibility of the ARR, repeat testing is recommended if the result is not moen rothbury faucet compatible with the clinical condition.Various methods to measure renin are used in different hospitals in Taiwan, and the ARR cuto