PaO 2 or âpartial pressure of oxygenâ measures the amount of free oxygen molecules dissolved in plasma (measured in mmHg or Torr). This is not always the most reliable account of the actual oxygenation state of blood as the vast majority of O 2 is bound to hemoglobin.
Signs and symptoms of foodborne botulism include: 1  Difficulty swallowing or speaking. 2  Dry mouth. 3  Facial weakness on both sides of the face.  Blurred or double 1  vision. Drooping eyelids.  Trouble 1  breathing. Nausea, vomiting and abdominal cramps.  Paralysis.
1 An average of 110 cases of botulism is reported annually in the US. 2  Approximately seventy percent of these cases are infant botulism. 3  Mean age of onset is 13 weeks, with a range from 1 to 63 weeks. An average of 110 cases of botulism is reported annually in the US. 2  Over the past few years the number of cases of wound botulism has been between thirty and forty percent. 3  The median age of affected patients is 41 years with a range of 23-58 years.