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 of anemia include tiredness, exercise intolerance (difficulty exercising), decreased appetite, and pale gums, though cats with mild anemia may not have any signs at all. A severe anemic may need a blood transfusion, and in all cases the underlying cause of the problem must be treated.