Regardless of the time of year, the northern and southern hemispheres always experience opposite seasons. This is because during summer or winter, one part of the planet is more directly exposed to the rays of the Sun (see Fig. 1) than the other, and this exposure alternates as the Earth revolves in its orbit.
The signs and symptoms of atrial or ventricular bigeminy may appear similar to that of other kinds of arrhythmias, but in most cases, premature contractions go unnoticed. Possible symptoms of bigeminy include: Lightheadedness; Palpitations (noticeable rapid heartbeat) Fainting or passing out; Shortness of breath; Chest pain
Signs and symptoms of foodborne botulism typically begin between 12 and 36 hours after the toxin gets into your body. But, the start of symptoms can range from a few hours to several days, depending on the amount of toxin ingested. 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.