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.
Blood clots that result in a heart attack may cause chest pain (angina) that usually starts in the centre of the chest and moves to the jaw, the back, the left arm, or occasionally the right arm. Less commonly, the pain may be felt in the abdomen. Heart attack pain is usually severe but not always.