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LifeguardsForLife

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LifeguardsForLife last won the day on December 28 2009

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    medic student
  1. In the coming year I would like to learn to play piano, and get "back" in shape. I would like to continue learning about emergency medicine and hope everyone has a safe and happy new year(s)!
  2. thank you vent and chbare for the information. Chbare-I apologize, that should of read carbon monoxide poisoning not carbon dioxide. If the affinity between carbon monoxide and hemoglobin is roughly 200 times that of oxygen and hemoglobin, i figured that, carbon monoxide poisoning would result in a higher Pao2 and lower Sao2. Which seemed to conradict the refrenced passage. I will go and review the oxyhemoglobin dissociation curve. I think the above statements answers the question i was attempting to ask.
  3. In simplest terms the Pa02 is the amount of oxygent that is not bound to HB, but is in the plasma. The Sao2 is the percent of oxygen bound to the heme portion of hemoglobin. Why wouldn't Pao2 and Sa02 vary inversly? It seems to me that if a low Sao2 existed(due to a deficiency of Hb, or inability of oxygen to bind to the Hb), one would find a higer Pa02, as no oxygen molecules are being removed from the plasma? Would Co2 poisoning result in a low sa02, and a higher Pa02 as the heme bonding sites are occupied, thus preventing oxygen from bonding with hemeglobin? Several so
  4. Oxygen is inexpensive, easily obtainable, ad widely utilized as to impede and prevent the effects of hypoxia. Since it's discovery in the late 1700's oxygen has remained one of the most effective therapeutic agents known to the medical world. However, currnent literature suggests this medication is all too commonly administered at extremely high doses, causing hyperoxia. But oxygen is harmless right? Hyperoxia induces bradycardia and a reduction in cardiac output, which partly offsets the otherwise increased oxygen delivery. below are several different articles or studies regarding potentila r
  5. Thank you all for your much valued responses. For any other members interested, I think the following article also answered some of the other questions I had regarding negative pressure ventilations. http://chestjournal..../2217.full.html
  6. haha Kaisu, I had also posted this over at another forum, though figured I had a better chance of getting valuable information over here.
  7. Do any of you have any experience with negative pressure ventilators? Are they still in use, and what would indicate their use over positive pressure ventilators?
  8. 'howdy FMA08, nice to see all these familiar faces over here in the city.
  9. Hey, piranha, and welcome. I too recently joined here after a recent turn of events. Kaisu- are you sure, the forum i used to frequent didn't seem to support logic, reasoning or facts in defense of a statement
  10. Thanks, yea I am kind of tired of the other site. I think I probably should have left when Rryder left

  11. welcome to the city, recently made an account over here myself after the recent movment over at the other place

  12. I have heard his seminars are very good, however there are non scheduled in my state. do you have ant experience with his book?
  13. we recently had a family in the ER, who had been giving their 4 year old child Ativan in an attempt to modify her "psychotic behavior". The family denied any medications, or recent illness, and when informed their child "had failed a drug test", the grandfather claimed to be a M.D who had given her the drug this morning. they had denied the child being on any sort of medicine several times...
  14. I have had positive experiences with Dale Dubin's Rapid EKG Interpretation, and would recommend it to anyone who is just beginning to learn EKG interpretation. below are some free sites you may wish to view: http://library.med.utah.edu/kw/ecg/ecg_outline/index.html http://www.ecglibrary.com/ecghome.html http://www.monroecc.edu/depts/pstc/backup/prandekg.htm http://library.med.utah.edu/kw/ecg/image_index/index.html
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