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. Symptoms of botulism begin between 3 to 30 days after an infant ingests the spores. Constipation is often the first sign of botulism that parents notice (although there are many other causes of constipation). Call your doctor if your baby hasn't had a bowel movement in 3 days.