There is no minimum age required for a child to stay home alone in  New York state. The New York State Office of Children and Family  Services states that it depends on the â¦ maturity of the child and  recommend that age 12-13 would be appropriate.
Ratione temporis ratÄÅÂ´nÄ tÄmÂ´pÅrÄs . rÄÅ¡ÅÂ´nÄ temÂ´pÅris . adv. âBy reason of time.âBecause of the relevant timing or period of time pertaining to the subject under consideration. E.g. ...
E/A ratio. The E/A ratio is a marker of the function of the left ventricle of the heart. It represents the ratio of peak velocity flow in early diastole (the E wave) to peak velocity flow in late diastole caused by atrial contraction (the A wave). It is calculated using Doppler echocardiography, an ultrasound-based cardiac imaging modality.