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This program explains how anesthetics modulate and inhibit the conduction of neural stimuli. After contrasting sleep with unconsciousness, the structure of the nervous system and the transfer and suppression of electrochemical signals are addressed. The particulars of how anesthesia functions are then discussed, with a focus on the properties of volatile anesthetics, sedative hypnotics, analgesics, muscle relaxants, and opioids; their effects on the brain and other organs; and methods of administering. Specific agents include ketamine, midazolam, propofol, etomidate, halothane, desflurane, fentanyl, lidocaine, and nitrous oxide. (61 minutes)



 
                

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Copyright date: ©1999




     


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Cesarean Section
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Of the approximately four million babies born each year in the U.S., nearly one quarter are delivered by cesarean section. The C-section enables safe delivery in cases where complications such as a breech position present dangers to mother or child. ...(more details)
 
Laparoscopic Gallbladder Removal
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Laparoscopic gallbladder surgery enables doctors to move around the patient's abdomen, shedding barely a drop of blood. Using long, delicate instruments, Dr. Jarnes C. Rosser, Jr., of the Akron General Medical Center in Akron, OH, removes a diseased ...(more details)
 
Colon Resection
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In an attempt to prevent a possibly fatal condition from worsening, Dr. Joseph Uddo Jr. removes a section of a patient's colon in this program. The patient has Crohn's disease, a chronic inflammation of the digestive tract which causes cramping, blee...(more details)
 
Laparoscopically-Assisted Vaginal Hysterectomy
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Dr. Darlene Lanka of Walnut Creek, CA, performs a laparoscopically-assisted hysterectomy in this program. The surgery involves removing the uterus, tubes, and ovaries through the vagina. Although hysterectomy surgery has probably been overutilized in...(more details)
 
Prostate Surgery
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In this program, a 49-year-old man faces surgery for early prostate cancer. His surgeon will use a new prostate surgical technique in an attempt to cure the patient of his prostate cancer. Traditional prostate removal would leave the patient impotent...(more details)
 


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