Historical Examples. 1  From the word tranche it might be supposed that it was a relic of the Great War. 2  The 'chose vue,' the 'tranche de la vie'âthis was the thing to aim at. 3  The first tranche is available to any country, which demonstrates efforts to overcome its BOP problems. After the Rain Sam Vaknin A country can draw no more than 25% of its quota in the first tranche of a loan that it receives from the IMF.
Often, no underlying cause can be found for absence seizures. Many children appear to have a genetic predisposition to them. Rapid breathing (hyperventilation) can trigger an absence seizure. In general, seizures are caused by abnormal electrical impulses from nerve cells (neurons) in the brain. The brain's nerve cells normally send electrical and chemical signals across the synapses that connect them.
Facts about absence seizures. An irregularity in the brain's normal electrical activity causes absence seizures. Most absence seizures are less than 15 seconds long. It's rare for an absence seizure to last longer than 15 seconds. Absence seizures strike suddenly without any warning signs. It's uncommon for an absence seizure to continue into adulthood, but it's possible to have an absence seizure at any age.