> hospitalized, her electrolytes would go wildly askew and she would > hallucinate. As soon as the hospital got her blood gases back to normal, > she'd be lucid again. Just a thought, in case anything was overlooked. > My best wishes to you and your dad. Keep us posted on how he's doing. > Mary Sheehan Mary, blood gases and electrolytes are two very different tests. You are correct that folks get strange when *either* blood gases or electroyles are off. But blood gases indicate a cardiac or pulmonary (or both) problem, whereas abnormal electrolytes can be caused by any variety of disease processes. ------ Regards Mary Ann