{"id":8006,"date":"2016-01-28T11:00:14","date_gmt":"2016-01-28T09:00:14","guid":{"rendered":"https:\/\/ph.yhb.org.il\/en\/?p=8006"},"modified":"2016-10-06T11:18:44","modified_gmt":"2016-10-06T08:18:44","slug":"01-28-11","status":"publish","type":"post","link":"https:\/\/ph.yhb.org.il\/en\/01-28-11\/","title":{"rendered":"11. Measuring for Medical Purposes and Using a Thermometer"},"content":{"rendered":"<p>When medically necessary, one may use a regular mercury thermometer to take someone\u2019s temperature. One may also use a manual blood pressure monitor. Although without a significant need one may not measure things on Shabbat, as this is a weekday activity, it is nevertheless permitted for a mitzva or medical need (SA 306:7 and 328:43; above 22:6). It is also permitted to shake down a thermometer so that the mercury contracts (SSK 40:2).<\/p>\n<p>Some rule leniently and permit a sick person to use a thermometer strip, which displays body temperature upon being placed on one\u2019s forehead\u2019s. They maintain that this is not considered <em>Kotev <\/em>since the numbers are already imprinted on the strip, and the temperature merely makes them visible for a short time, after which they disappear (<em>Ye\u0125aveh Da\u2019at<\/em> 4:29). Others maintain that using this type of thermometer is rabbinically prohibited, considering it temporary writing (SSK 40:2). Since it is a rabbinic law, one may be lenient in a case of necessity (<em>Tzitz Eliezer<\/em> 14:30; see <em>Har\u0125avot<\/em> 18:4:4).<\/p>\n<p>The <em>poskim<\/em> disagree about whether one may perform a medical test on Shabbat that causes color to appear. Some prohibit this on account of <em>Tzove\u2019a<\/em>. Others permit it, as one is not interested in the color, only in the test result. <em>Le-khat\u0125ila<\/em> one should be stringent, but when necessary he may be lenient, since this is a case of uncertainty regarding rabbinic law (see SSK 33:20, and <em>Har\u0125avot<\/em>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When medically necessary, one may use a regular mercury thermometer to take someone\u2019s temperature. One may also use a manual blood pressure monitor. Although without a significant need one may not measure things on Shabbat, as this is a weekday activity, it is nevertheless permitted for a mitzva or medical need (SA 306:7 and 328:43; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[98],"tags":[],"class_list":["post-8006","post","type-post","status-publish","format-standard","hentry","category-01-28"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>11. 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