Historically, staphylococci, pseudomonads, and Escherichia coli have been the nosocomial infection troika; nosocomial pneumonia, surgical wound infections, and vascular accessrelated bacteremia have caused the most illness and death in hospitalized patients; and intensive care units have been the epicenters of antibiotic resistance.
A warm spot can be noticed in the portion of your arm where there occurred the blood clot. You can also feel like having a burning sensation around the affected area and also at times you might feel like the area is warm when touched. In case of serious blood clots in arm, the area affected can turn red and inflamed.
If you have recently had a blood clot in a leg or arm, you may experience: 1  Swelling of the affected leg or arm. 2  Leg pain or tenderness that may only occur when you are standing or walking. 3  Increased warmth in the swollen or painful area of the affected leg or arm.  Redness or discoloration of your skin.