I've trained people for similar jobs, and they are fine as long as the relax and don't dwell on their mistakes. Before long you won't even have to think about what you are doing, it will be second nature.
whether iga nephropathy causes cardiomyopathy
IgA constitutes approximately 15% of the immunoglobulins within the body. Although it is found to some degree in the blood, it is present primarily in the secretions of the respiratory and gastrointestinal tract, in saliva, colostrum.
Normal values are IgA 70--400 mg/dl, but it may slightly differ in different laboratory