A symptom profile of depression among Asian Americans: is there evidence for differential item functioning of depressive symptoms?
Asian Americans did not seem to over-report somatic symptoms; however, European Americans seemed to report more affective symptoms than Asian Americans. The results suggest that there was measurement variance in a few of the depression items.
Extracellular acidosis and hyperkalemia attenuate the HERG-inhibitory effect of ibutilide. The differences in HERG inhibition between acidic and hyperkalemic regions compared to normal regions in the myocardium may result in heterogeneity in repolarization, which may contribute to the proarrhythmic toxicity of ibutilide.