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.
Symptoms generally begin 12-36 hours after eating contaminated food, but may occur as early as a few hours and as late as 10 days. Symptoms of botulism in infants may occur up to 14 days later.