Anesthesiologist Clara distracts and reassures Trisha while the nurse injects Propofol...
Clara waits poised with mask in hand waiting for the Propofol to kick in. Trisha feels a sensation of cold traveling up her arm then loses consciousness...
Clara presses the mask firmly on Trisha's face then tilts her head back to keep the airway open. The Propofol makes Trisha unable to breathe so Clara squeezes and releases the rebreathing bag to flood Trisha's body with oxygen prior to intubation.
Now with sufficient oxygen in her system to keep her going, a throat retractor pulls down the tongue and opens the throat wide enough for a breathing tube to be inserted. A cuff at the bottom of the tube is inflated to make a gas-tight seal in the trachea (windpipe)
Since it's now been a while since Trisha has had any oxygen, an ambu-bag is used to squeeze air into Trisha's paralyzed lungs to give her more oxygen. Then the breathing tube is connected by a double-hose to the anesthesia machine...
The anesthesia machine's ventilator will now breathe for Trisha, inflating her lungs with a carefully-balanced mixture of oxygen, nitrous oxide and anesthetic vapor, keeping her both alive and anesthetized.
The breathing tube is taped in place and Trisha's eyes are taped shut to stop them drying out.
A sterile catheter is inserted into Trisha's urethra to drain away urine as Trisha's paralyzed bladder and sphincter muscles won't be able to hold it.
Whilst her vitals like pulse and blood pressure are monitored, the area of the surgery is disinfected and made sterile with iodine...
Now anesthetized, sterilized and prepped, with all her vitals under constant monitoring, Trisha's surgery can begin...
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