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.
A. In some patients, arrhythmias are caused by diseases of the heart muscle, valves, or coronary arteries. In others, arrhythmias can reflect disease of the electrical system of the heart only, while the rest of the heart is healthy. Other causes of arrhythmias include medications, alcohol excess, excessive levels of thyroid hormone, low blood oxygen levels, stress, and smoking. Atrial tachycardias.