Letter Re: The Importance of Identifying Blood Types
Jim: In a previous career I used to do blood work with a microscope. The most common error even among lab tech’s with experience is false rouleaux, that is, clumping caused by manhandling the blood, mistaken as true rouleaux. Even squeezing the finger to get a drop of blood can cause this. Putting the slide on the blood too hard can do this. Washing with saline if not perfect in osmolarity will cause other artifacts. While I am in full agreement with the McGyver school of expediency, the previously mentioned idea IMHO, is not something that can be done by …