Notwithstanding any other provision of law, advanced emergency medical technicians may do any of the following:

(1)  Render rescue, first aid, and resuscitation services.

(2)  During training at the hospital and while caring for patients in the hospital, administer parenteral medications under the direct supervision of a physician or registered nurse.

(3)  Perform cardiopulmonary resuscitation, defibrillation, and cardioversions.

(4)  Where communication is monitored by a physician (or a mobile intensive care unit nurse where authorized by a physician) and direct communication is maintained, may, upon order of the physician or the nurse, do any of the following:

(i)  Administer intravenous saline or glucose solutions.

(ii)  Perform gastric suction by intubation.

(iii)  Administer parenteral injections of any of the following classes of drugs:

(A)  Antiarrhythmic agents.

(B)  Vagolytic agents.

(C)  Chronotropic agents.

(D)  Analgesic agents.

(E)  Alkanizing agents.

(F)  Vasopressor agents.

(iv)  Perform any other procedures that may be authorized by the ambulance service coordinating board and for which the technician is trained.

(5)  In the event that communications with the hospital cannot be established or maintained, perform those procedures that may be authorized by written orders appropriate to the condition of the patient and previously approved by the ambulance service coordinating board.