An ET file is a Kingsoft Spreadsheets file. Learn how to open an .ET file or convert an ET file to some other format like XLS or XLSX. An ET file is a Kingsoft Spreadsheets file. Learn how to open an .ET file or convert an ET file to some other format like XLS or XLSX.
Dog fainting may be the result of disorders like epilepsy, or of conditions like narcolepsy or cataplexy. There are dozens of diseases and conditions that can cause dog fainting. Some of the most common include: 1  Hepatic encephalopathy, a disturbance in brain function caused by liver disease or deformity of the liver. 2  Hypocalcemia, or low blood calcium levels. 3  Hypoglycemia, or low blood sugar.
Causes of Collapsing in Dogs Examples of illnesses that may cause canine collapse include: Heart disease. This includes congenital heart disease (birth defects in the heart), acquired valvular heart disease (leaky heart valves), heartworm disease, tumors of the heart, pericardial disease (disease of the lining of the heart) and primary cardiac arrhythmias (erratic heart beat).