Particularly important are the inversion time (TI) in inversion recovery, and the time between 90 Â° pulse and the subsequent 180 Â° pulse to produce a spin echo, which will be approximately one half the spin echo time (TE) . The time between repetitions of pulse sequences is the repetition time (TR) .
Some of the possible treatments listed in sources for treatment of Hand tremors may include: 1  For tremors caused by stress, try relaxation techniques like meditation, deep relaxation, or breathing exercises.  For tremors of any cause, avoid caffeine and get enough sleep.
Brain surgery can be helpful in some cases. Tremors can also be caused by conditions or medicines that affect the nervous system, including Parkinson's disease, liver failure, alcoholism, mercury or arsenic poisoning, lithium, and certain antidepressants. Side effects from other medicines can also cause tremors.