Aorta. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
Ambulance Services. Ambulance Services Overview The Office of Emergency Medical Services licenses all ambulance services that are based in or regularly operate in Massachusetts, and certifies ambulance vehicles. Ambulance services may be private for-profit enterprises, private non-profit entities, municipally run or volunteer services.
If you have Medical Services Plan (MSP) coverage: Ambulance trips to hospital (911 calls)*. 1  If you are taken to a hospital by ground or air ambulance, the BC Ambulance Service (BCAS) will bill you $80.2  If an ambulance is requested and then declined, you will receive a bill for $50. 3  If you receive Income Assistance or MSP Premium Assistance you will not be charged. Ground: $530 flat rate. 2  Air ambulance (airplane): $7 per mile ($4.34/km). 3  Air ambulance (helicopter): $2,746 per hour. 4  If you do not need medical care, but are not well enough to travel on your own, then a non-emergency patient transfer service, such as Medi-Van, is recommended (fees range).