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.
About half of people with blood clots have no symptoms until a clot blocks a major vein. When clots block blood flow, symptoms may include: 1  Swelling, redness, or warmth in the calf, ankle, foot, or thigh. 2  Pain in the leg. 3  Chest pain. 4  Shortness of breath. 5  Seizures or sudden weakness. 6  Severe abdominal pain with vomiting or diarrhea. 7  Bluish color of the skin on the leg or toes.