An arrhythmia (also called dysrhythmia) refers to what is usually an irregular heartbeat. The heart rate can be fast, slow, or irregular, taking into consideration age and activity. For example, a newborn's heart beats much faster than a 5-year-old child's heart. A fast heart rate is called tachycardia. A slow heart rate is called bradycardia. Some irregular heartbeats are normal: Sinus arrhythmia is the normal variation in heart rate that accompanies breathing in and out.
Image Source. The awesome-looking Toyger is probably the most remarkable striped breed of cat in the world. This breed is the result of breeding domestic shorthaired Tabbies to make it looks like a âtoy tigerâ. The breeding started in the 1980s.
Come eye-to-eye with this giant cat, and find out what it needs to survive. Tigers, Panthera tigris, are the biggest cats of all, and they're the only large cats with stripes. Most other members of the feline family are small, weighing 20 kg (44 lb) or less.Only lions and tigers reach weights of 225 kg (500 lb). Once, eight subspecies of tigers roamed the forests of Asia.ome eye-to-eye with this giant cat, and find out what it needs to survive. Tigers, Panthera tigris, are the biggest cats of all, and they're the only large cats with stripes. Most other members of the feline family are small, weighing 20 kg (44 lb) or less.