Typical dimensions for a childâs picnic table are 33 inches long by 38 inches wide and 22 inches high. Stockbyte/Stockbyte/Getty Images. A newer design is the octagonal or round table with attached seating for up to eight.
External and internal forces can cause dysrhythmia. External factors include exhaustion, overexertion, emotional stress (such as Annie's campaign speech), cigarette smoking, drinking alcohol, and ingesting stimulants such as caffeine, decongestants, and cocaine.
Arrhythmias may be caused by many different factors, including: 1  Coronary artery disease. 2  Electrolyte imbalances in your blood (such as sodium or potassium). 3  Changes in your heart muscle.  Injury from a heart 1  attack. Healing process after heart surgery.  Irregular heart rhythms can also occur in normal, healthy hearts.