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.
Clots can occur anywhere in your body, but are more likely to develop in your feet, hands, or brain. Symptoms of a blood clot vary according to location and may include: 1  headache. 2  lightheadedness, dizziness. 3  weakness, fainting. 4  numbness, tingling, throbbing, or pain in your feet or hands. 5  changes in vision. 6  chest pain. 7  a slightly enlarged spleen.