Normal people can occasionally see red blood cells in urine, and the field of vision per high magnification after centrifugal precipitation is no more than 3. If a large number of red blood cells appear in urine, it may be caused by renal hemorrhage, urinary tract hemorrhage, renal congestion and other reasons. Strenuous exercise and blood circulation disorder may also lead to increased glomerular permeability, and protein and red blood cells appear in urine.
Epithelial cells can be seen in inflammation of ureter, bladder and urethra.
There are roughly 9 types of casts with different meanings, which are more common in nephritis, nephrotic syndrome and renal insufficiency.
Judging from your current examination, there is a greater possibility of urinary tract infection.