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.
In most cases, the blockage is caused by one or more blood clots that travel to your lungs from another part of your body. A blood clot that travels through the blood vessels is called an embolus. Blood clots most often form in leg veins, but can also start in the arm veins or in the right side of the heart. You are at a higher risk for forming a blood clot if: You must lie or sit still for a long time when recuperating from an illness or injury or when taking a long plane flight or car ride.