Timely and considerate care of the arterial and venous systems.
Here is an interesting video showing a removal of a saddle pulmonary embolus. A pulmonary embolus is a blood clot that most likely originated in the deep veins of the legs and travelled to the arteries in the lungs. Pulmonary embolism is a serious condition.
You could also check the Pulmonary Embolism informational site from MedlinePlus of the NIH.
Note: This blog post is intended for information only. It is not meant to replace a professional medical opinion. If you are suspecting any medical problems, please seek professional medical attention. If you are having an emergency, please call 911.