{"id":11385612,"date":"2014-04-14T00:00:00","date_gmt":"2014-04-13T22:00:00","guid":{"rendered":"https:\/\/alertdiver.eu\/uncategorized-cs_cz\/neni-nutne-delat-ze-vseho-vedu\/"},"modified":"2014-04-14T00:00:00","modified_gmt":"2014-04-13T22:00:00","slug":"neni-nutne-delat-ze-vseho-vedu","status":"publish","type":"post","link":"https:\/\/alertdiver.eu\/cs_CZ\/clanky\/neni-nutne-delat-ze-vseho-vedu\/","title":{"rendered":"NEN\u00cd NUTN\u00c9 D\u011aLAT ZE V\u0160EHO &#8222;V\u011aDU&#8220;"},"content":{"rendered":"<p style=\"text-align: justify;\">Pot&aacute;p\u011b\u010d\u016fm se v&scaron;t\u011bpuje, \u017ee maj&iacute; po pot&aacute;p\u011bn&iacute; v\u011bnovat pozornost v&scaron;em neobvykl&yacute;m p\u0159&iacute;znak\u016fm a symptom\u016fm. Doporu\u010duje se jim, aby je vyhodnocovali z pohledu mo\u017en&eacute;ho dekompresn&iacute;ho onemocn\u011bn&iacute; (DCI), a sice a\u017e do doby, ne\u017e se toto onemocn\u011bn&iacute; vylou\u010d&iacute;. Tento p\u0159&iacute;stup v&scaron;ak nejen zvy&scaron;uje nejistotu a obavy, ale mnoh&eacute; pot&aacute;p\u011b\u010de vede a\u017e k nezdrav&eacute;mu sebepozorov&aacute;n&iacute;, a to i za zcela bezprobl&eacute;mov&yacute;ch podm&iacute;nek b\u011bhem pot&aacute;p\u011b\u010dsk&yacute;ch \u010dinnost&iacute; nebo po jejich ukon\u010den&iacute;.<\/p>\n<p style=\"text-align: justify;\">M&iacute;rn&eacute; bolesti hlavy, m&iacute;rn&eacute; a p\u0159echodn&eacute; bolesti kloub\u016f, podr&aacute;\u017ed\u011bn&iacute; k\u016f\u017ee a dokonce i m&iacute;rn&eacute; brn\u011bn&iacute; \u010di sn&iacute;\u017een&aacute; citlivost se mohou zcela myln\u011b p\u0159i\u010d&iacute;tat DCI, co\u017e m\u016f\u017ee m&iacute;t za n&aacute;sledek zbyte\u010dn&eacute; zdravotn&iacute; evakuace, p\u0159&iacute;jmy do nemocnic, rekompresn&iacute; terapie nebo dokonce ztr&aacute;tu z&aacute;jmu o pot&aacute;p\u011bn&iacute; \u010di strach z n\u011bj. Na druhou stranu nechceme v \u017e&aacute;dn&eacute;m p\u0159&iacute;pad\u011b odrazovat pot&aacute;p\u011b\u010de od vyhled&aacute;v&aacute;n&iacute; pomoci nebo je podporovat v tom, aby ignorovali v&aacute;\u017en&eacute; projevy DCI. Je v&scaron;ak pot\u0159eba pot&aacute;p\u011b\u010d\u016fm pomoci, aby um\u011bli rozli&scaron;it stav ne\u017ekodn&yacute; od z&aacute;va\u017en&eacute; zdravotn&iacute; komplikace.<\/p>\n<p style=\"text-align: justify;\">Za prv&eacute; plat&iacute;, \u017ee riziko lze minimalizovat co nejv\u011bt&scaron;&iacute;m omezen&iacute;m mo\u017enost&iacute; vzniku dekompresn&iacute;ho onemocn\u011bn&iacute;, a sice dodr\u017eov&aacute;n&iacute;m tzv. 5 S, co\u017e znamen&aacute;, \u017ee se ponory krat&scaron;&iacute;mi (1.), do men&scaron;&iacute;ch hloubek (2.) a s rozumn&yacute;mi (3.) bezpe\u010dnostn&iacute;mi (4.) zast&aacute;vkami (5.) (anglicky: Shorter, Shallower, Sensible with Safety Stops) sn&iacute;\u017e&iacute; obavy, \u017ee i m&iacute;rn&eacute; p\u0159&iacute;znaky mohou souviset s &ldquo;bublinkami&rdquo;. &Uacute;pln\u011b se v&scaron;ak t&iacute;m riziko nevylou\u010d&iacute; a zde bychom cht\u011bli pot&aacute;p\u011b\u010de varovat, aby nepodlehli klamu a nebyli a\u017e p\u0159&iacute;li&scaron; p\u0159esv\u011bd\u010deni o tom, \u017ee &ldquo;kdy\u017e jsem se pot&aacute;p\u011bl podle tabulek, tak se mi nemohlo nic st&aacute;t&rdquo;. A\u017e 50% p\u0159&iacute;pad\u016f pot&aacute;p\u011b\u010d\u016f, kte\u0159&iacute; byli posti\u017eeni DCI a jsou vedeni v datab&aacute;zi DAN, se pot&aacute;p\u011blo v r&aacute;mci limit\u016f podle tabulek nebo po\u010d&iacute;ta\u010dov&yacute;ch program\u016f. Konzervativn&iacute; pot&aacute;p\u011bn&iacute; v&scaron;ak sni\u017euje mo\u017enost vzniku v&aacute;\u017en&eacute;ho DCI, i kdyby mu mohly n\u011bkter&eacute; p\u0159&iacute;znaky nasv\u011bd\u010dovat.<\/p>\n<p style=\"text-align: justify;\">Dal&scaron;&iacute;m zp\u016fsobem, jak lze vylou\u010dit zbyte\u010dn\u011b p\u0159ehnanou diagn&oacute;zu DCI, je znalost a schopnost rozpozn&aacute;vat ur\u010dit&eacute; druhy p\u0159&iacute;znak\u016f, kter&eacute; mohou m&iacute;t jin&eacute; p\u0159&iacute;\u010diny ne\u017e DCI, i kdy\u017e souvis&iacute; s pot&aacute;p\u011b\u010dsk&yacute;mi \u010dinnostmi. Nap\u0159&iacute;klad v p\u0159edchoz&iacute;m \u010d&iacute;sle \u010dasopisu Alert Diver jsme se zab&yacute;vali r\u016fzn&yacute;mi p\u0159&iacute;\u010dinami bolest&iacute; hlavy souvisej&iacute;c&iacute;mi s pot&aacute;p\u011bn&iacute;m. V tomto \u010dl&aacute;nku se budeme v\u011bnovat parestezii (toto \u0159eck&eacute; slovo znamen&aacute; &ldquo;\u010d&aacute;ste\u010dn&eacute; podr&aacute;\u017ed\u011bn&iacute;&rdquo; nebo &ldquo;pocit&rdquo;) &ndash; co\u017e je abnorm&aacute;ln&iacute; pocit na k\u016f\u017ei popisovan&yacute; jako p&aacute;len&iacute;, &scaron;pendl&iacute;ky a jehli\u010dky nebo brn\u011bn&iacute;.<\/p>\n<p style=\"text-align: justify;\"><strong>Parestezie a neuropraxie<\/strong><br \/>Parestezie nebo brn\u011bn&iacute; je v&yacute;sledkem \u010d&aacute;ste\u010dn&eacute;ho p\u0159eru&scaron;en&iacute; veden&iacute; senzorick&eacute;ho nervu mezi poko\u017ekou a senzorick&yacute;m kortexem (t.j. k\u016frou mozkovou neboli tou \u010d&aacute;st&iacute; mozku, d&iacute;ky kter&eacute; si uv\u011bdomujeme pocity na k\u016f\u017ei). Anestezie je v&yacute;sledkem &uacute;pln&eacute;ho p\u0159eru&scaron;en&iacute; podn\u011bt\u016f. Ve v\u011bt&scaron;in\u011b p\u0159&iacute;pad\u016f je parestezie kr&aacute;tkodobou a celkem ne&scaron;kodnou zdravotn&iacute; p\u0159&iacute;hodou. \u010casto se jedn&aacute; o n&aacute;sledek p\u0159&iacute;m&eacute;ho tlaku na perifern&iacute; ko\u017en&iacute; nerv zp\u016fsoben&yacute; del&scaron;&iacute;m p\u016fsoben&iacute;m n\u011bjak&eacute;ho vn\u011bj&scaron;&iacute;ho tlaku na k\u016f\u017ei kryj&iacute;c&iacute; p\u0159&iacute;slu&scaron;n&yacute; nerv. Jako p\u0159&iacute;klad m\u016f\u017ee poslou\u017eit i znecitliv\u011bn&iacute;, kter&eacute; se dostav&iacute; po del&scaron;&iacute;m sezen&iacute; v nezm\u011bn\u011bn&eacute; poloze. Tato m&iacute;rn&aacute; &ldquo;poran\u011bn&iacute;&rdquo; zp\u016fsoben&aacute; stla\u010den&iacute;m nebo nata\u017een&iacute;m nerv\u016f se naz&yacute;vaj&iacute; neuropraxie.<\/p>\n<p style=\"text-align: justify;\">Znamen&aacute; to, \u017ee struktura nervu z\u016fst&aacute;v&aacute; zachov&aacute;na, ale po ur\u010ditou dobu se jeho prost\u0159ednictv&iacute;m p\u0159estanou p\u0159en&aacute;&scaron;et podn\u011bty. Ve v\u011bt&scaron;in\u011b p\u0159&iacute;pad\u016f n&aacute;sleduje po uvoln\u011bn&iacute; tlaku t&eacute;m\u011b\u0159 okam\u017eit&yacute; n&aacute;vrat do norm&aacute;ln&iacute;ho stavu. Jestli\u017ee v&scaron;ak n\u011bjak&yacute; tlak p\u016fsobil na stejn&eacute; m&iacute;sto po dlouhou dobu, m\u016f\u017ee trvat i n\u011bkolik dn\u016f a ve vz&aacute;cn&yacute;ch p\u0159&iacute;padech dokonce n\u011bkolik t&yacute;dn\u016f, ne\u017e se citlivost k\u016f\u017ee obnov&iacute; a brn\u011bn&iacute; ustoup&iacute;. K tomu m\u016f\u017ee doj&iacute;t i v p\u0159&iacute;pad\u011b no&scaron;en&iacute; velmi t\u011bsn&eacute; nebo t\u011b\u017ek&eacute; v&yacute;stroje, jako nap\u0159. t\u011bsn\u011b padnouc&iacute;ho mokr&eacute;ho obleku, z&aacute;t\u011b\u017eov&eacute;ho opasku nebo t\u011b\u017ek&eacute; d&yacute;chac&iacute; soupravy (BC) po del&scaron;&iacute; dobu.<\/p>\n<p style=\"text-align: justify;\">Tyto poruchy m\u016f\u017ee zp\u016fsobit jak&eacute;koliv p\u0159eru&scaron;en&iacute; vodivosti nerv\u016f mezi k\u016f\u017e&iacute; a mozkem, proto je d\u016fle\u017eit&eacute;, aby se zjistila jejich skute\u010dn&aacute; p\u0159&iacute;\u010dina. Kr&aacute;tkodob&aacute; neuropraxie zp\u016fsoben&aacute; t\u011bsn&yacute;m mokr&yacute;m oblekem je samoz\u0159ejm\u011b mnohem m&eacute;n\u011b z&aacute;va\u017en&aacute; ne\u017e tepenn&aacute; plynov&aacute; embolie nebo dekompresn&iacute; nemoc. P\u0159itom se m\u016f\u017ee oboj&iacute; projevovat znecitliv\u011bn&iacute;m a brn\u011bn&iacute;m. Na&scaron;t\u011bst&iacute; to lze navz&aacute;jem odli&scaron;it pom\u011brn\u011b snadno, jen jsou k tomu zapot\u0159eb&iacute; ur\u010dit&eacute; znalosti. A pr&aacute;v\u011b to je c&iacute;lem tohoto \u010dl&aacute;nku &ndash; nau\u010dit se rozpozn&aacute;vat, kdy brn\u011bn&iacute; znamen&aacute; n\u011bco v&aacute;\u017en&eacute;ho a kdy se jedn&aacute; o mali\u010dkost.<\/p>\n<p style=\"text-align: justify;\"><strong>Mozek, m&iacute;cha a nervy<\/strong><br \/>Jak parestezie, tak i neuropraxie mohou b&yacute;t v&yacute;sledkem po&scaron;kozen&iacute; mozku, m&iacute;chy nebo nerv\u016f. Ka\u017ed&aacute; z t\u011bchto poruch se v&scaron;ak projevuje jinde, proto je lze pom\u011brn\u011b snadno od sebe odli&scaron;it.<\/p>\n<p style=\"text-align: justify;\"><strong>Mozek<\/strong><br \/>Mozek m&aacute; n\u011bkolik funk\u010dn&iacute;ch oblast&iacute;. V povrchov&eacute; vrstv\u011b mozku (kter&eacute; se n\u011bkdy \u0159&iacute;k&aacute; &scaron;ed&aacute; hmota) se odehr&aacute;v&aacute; v\u011bdom&eacute; my&scaron;len&iacute;, tam se iniciuj&iacute; &uacute;mysln&eacute; pohyby (naz&yacute;van&eacute; motorick&eacute; funkce) a tam tak&eacute; p\u0159ich&aacute;zej&iacute; do v\u011bdom&iacute; r\u016fzn&eacute; fyzick&eacute; vjemy a sign&aacute;ly z na&scaron;ich p\u011bti smyslov&yacute;ch org&aacute;n\u016f (v tomto p\u0159&iacute;pad\u011b se mluv&iacute; o senzorick&yacute;ch funkc&iacute;ch). Na <a href=\"#PDF\">n&iacute;\u017ee<\/a> uveden&eacute;m obr&aacute;zku je zn&aacute;zorn\u011bno, jak je mozek rozd\u011blen tzv. koron&aacute;rn&iacute; rovinou (A), pot&eacute; koron&aacute;rn&iacute;m \u0159ezem (B) a d&aacute;le je vid\u011bt, kde se na povrchu mozku (C) ukl&aacute;daj&iacute; vjemy a pocity p\u0159ich&aacute;zej&iacute;c&iacute; z r\u016fzn&yacute;ch \u010d&aacute;st&iacute; t\u011bla.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig1.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Z tohoto vyobrazen&iacute; je z\u0159ejm&eacute;, \u017ee mal&eacute; zran\u011bn&iacute; kortexu (k\u016fry mozkov&eacute;) bude m&iacute;t za n&aacute;sledek znecitliv\u011bn&iacute; nebo brn\u011bn&iacute; rozs&aacute;hl&eacute; plochy k\u016f\u017ee. Proto m&aacute; kortik&aacute;ln&iacute; parestezie &ndash; jak se tento jev naz&yacute;v&aacute; &ndash; zpravidla dopad na celou pa\u017ei nebo nohu. Takov&eacute; posti\u017een&iacute; se jen z\u0159&iacute;dk&aacute; vyskytne u obou pa\u017e&iacute; nebo obou nohou najednou. Typick&eacute; je posti\u017een&iacute; cel&eacute; lev&eacute; strany t\u011bla nebo cel&eacute; prav&eacute; strany (t.j. hemiparestezie nebo hemianestezie), s \u010d&iacute;m\u017e zpravidla souvis&iacute; slabost nebo paral&yacute;za (ochrnut&iacute;) posti\u017een&eacute; oblasti (tzv. hemipar&eacute;za).<br \/>Proto znecitliv\u011bn&iacute; velk&yacute;ch oblast&iacute; &ndash; obzvl&aacute;&scaron;t\u011b, je-li zasa\u017eena cel&aacute; pa\u017ee nebo cel&aacute; noha a s t&iacute;m se poj&iacute; i slabost nebo ochrnut&iacute; &ndash; siln\u011b nazna\u010duj&iacute; zasa\u017een&iacute; mozku a nal&eacute;hav\u011b vy\u017eaduj&iacute; l&eacute;ka\u0159skou pozornost.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig2.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\"><\/p>\n<p style=\"text-align: justify;\"><strong>M&iacute;cha:<\/strong><br \/>Stejn\u011b jako mozek, tak i m&iacute;cha obsahuje oblasti odpov&iacute;daj&iacute;c&iacute; za p\u0159ed&aacute;van&iacute; podn\u011bt\u016f pro pohyby a pocity. Mezi mozkem a c&iacute;lov&yacute;mi org&aacute;ny a tk&aacute;n\u011bmi existuje velk&eacute; mno\u017estv&iacute; propojovac&iacute;ch vl&aacute;ken (axon\u016f). V nenarozen&eacute;m embryu je m&iacute;cha uspo\u0159&aacute;dan&aacute; jako sloupec v&aacute;le\u010dkovit&yacute;ch kotou\u010dk\u016f (Obr. 2). S ka\u017ed&yacute;m kotou\u010dkem existuje segment&aacute;ln&iacute; nervov&eacute; propojen&iacute; a tento stav a vztah se udr\u017euje po celou dobu, kdy embryo roste a m\u011bn&iacute; sv\u016fj tvar.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig3.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Kdy\u017e se formuj&iacute; kon\u010detiny a tv&aacute;\u0159, zm&iacute;n\u011bn&eacute; kotou\u010dky se roztahuj&iacute; sm\u011brem dol\u016f a ven. Po\u0159ad&iacute; dermatom\u016f v&scaron;ak z\u016fst&aacute;v&aacute; nezm\u011bn\u011bn&eacute;, i kdy\u017e ji\u017e nevypadaj&iacute; jako sloupec minc&iacute;. V pln\u011b vyvinut&eacute;m plodu existuje 33 \u010d&aacute;st&iacute; m&iacute;&scaron;n&iacute;ho sloupce. Ka\u017ed&yacute; odpov&iacute;d&aacute; jednomu obratli nebo jedn&eacute; kosti &ndash; 7 v krku (kr\u010dn&iacute; obratle); 12 v hrudn&iacute;m ko&scaron;i nebo hrudn&iacute;ku (hrudn&iacute; obratle); 5 v bedern&iacute; \u010d&aacute;sti p&aacute;te\u0159e (bedern&iacute; obratle); 5 v k\u0159&iacute;\u017ei (k\u0159&iacute;\u017eov&eacute; obratle) a 4 v kostr\u010di (kostr\u010d).<\/p>\n<p style=\"text-align: justify;\">Nen&iacute; nutn&eacute; p\u0159esn\u011b po\u010d&iacute;tat p\u0159&iacute;slu&scaron;n&eacute; nervy (jejich\u017e po\u010det se pon\u011bkud li&scaron;&iacute; od po\u010dtu obratl\u016f), celkov&eacute; sch&eacute;ma je dob\u0159e patrn&eacute; na obr. 4. V&scaron;imn\u011bte si, \u017ee ka\u017ed&yacute; kotou\u010dek embrya se nyn&iacute; vyvinul v dermatom.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig4.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">D\u016fvodem pro toto podrobn&eacute; vysv\u011btlov&aacute;n&iacute; je pot\u0159eba ujasnit si, \u017ee zran\u011bn&iacute; m&iacute;chy nebo ko\u0159en\u016f m&iacute;&scaron;n&iacute;ch nerv\u016f m&aacute; dopad na motorick&eacute; funkce a\/nebo senzorick&eacute; funkce souvisej&iacute;c&iacute; s p\u0159&iacute;slu&scaron;n&yacute;mi dermatomy. Rozd&iacute;l je v tom, \u017ee zran\u011bn&iacute; m&iacute;chy postihuje do jist&eacute; m&iacute;ry i n&aacute;sledn&eacute; dermatomy, nebo\u0165 jsou p\u0159eru&scaron;ena nervov&aacute; vl&aacute;kna na jejich dr&aacute;ze od za\u010d&aacute;tku sm\u011brem ke konci. Zran\u011bn&iacute; nervov&eacute;ho ko\u0159ene postihuje pouze p\u0159&iacute;slu&scaron;n&yacute; konkr&eacute;tn&iacute; dermatom.<\/p>\n<p style=\"text-align: justify;\">Parestezie nebo nedostate\u010dnost p\u0159i distribuci dermatomu nazna\u010duje n\u011bjakou souvislost s m&iacute;&scaron;n&iacute;mi nervy nebo s ko\u0159eny m&iacute;&scaron;n&iacute;ch nerv\u016f. I kdy\u017e to m\u016f\u017ee m&iacute;t i n\u011bjak&eacute; jin&eacute; p\u0159&iacute;\u010diny, nap\u0159. vyh\u0159ezlou meziobratlovou plot&yacute;nku (t.j. vl&aacute;knitou meziobratlovou chrupavku), vy\u017eaduj&iacute; tyto projevy nal&eacute;hav&eacute; l&eacute;ka\u0159sk&eacute; vy&scaron;et\u0159en&iacute;. Je-li s t&iacute;m spojena slabost, ochrnut&iacute; nebo ztr&aacute;ta ovl&aacute;d&aacute;n&iacute; vym\u011b&scaron;ov&aacute;n&iacute;, jedn&aacute; se o nal&eacute;havou zdravotn&iacute; p\u0159&iacute;hodu.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig5.png\" style=\"width: auto;\"><strong><br \/>Perifern&iacute; nervy<\/strong><br \/>Perifern&iacute; nervy jsou pokra\u010dov&aacute;n&iacute;m vl&aacute;ken (axon\u016f) v m&iacute;&scaron;e. Tvo\u0159&iacute; nep\u0159eru&scaron;en&eacute; elektrick&eacute; spoje mezi mozkem a c&iacute;lov&yacute;mi org&aacute;ny nebo tk&aacute;n\u011bmi, kter&eacute; z&aacute;sobuj&iacute; impulzy. Po\u010d&aacute;te\u010dn&iacute; \u010d&aacute;sti t\u011bchto nerv\u016f &ndash; t.j. ty, kter&eacute; vych&aacute;zej&iacute; z m&iacute;chy &ndash; se naz&yacute;vaj&iacute; m&iacute;&scaron;n&iacute; ko\u0159eny. V t\u011bch \u010d&aacute;stech m&iacute;chy, kter&eacute; ovl&aacute;daj&iacute; pa\u017ei nebo nohu, se m&iacute;&scaron;n&iacute; ko\u0159eny propl&eacute;taj&iacute; a spl&yacute;vaj&iacute; tak, \u017ee vznik&aacute; brachi&aacute;ln&iacute; (t.j. pa\u017en&iacute;), lumb&aacute;ln&iacute; (t.j. bedern&iacute;) a sakr&aacute;ln&iacute; (t.j. k\u0159&iacute;\u017eov&yacute;) plexus (t.j. nervov&aacute; s&iacute;\u0165). Viz obr. 6. Tyto svazky nerv\u016f se postupn\u011b od sebe odd\u011bluj&iacute; a vytv&aacute;\u0159ej&iacute; \u010detn&eacute; perifern&iacute; nervy, kter&eacute; inervuj&iacute; poko\u017eku a horn&iacute; a doln&iacute; kon\u010detiny.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig6.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">To je jeden z hlavn&iacute;ch d\u016fvod\u016f velk&eacute;ho rozd&iacute;lu mezi t&iacute;m, jak se projevuje porucha m&iacute;chy nebo m&iacute;&scaron;n&iacute;ho ko\u0159ene oproti zran\u011bn&iacute;m nervov&eacute;ho plexu a perifern&iacute;ch nerv\u016f, proto je pot\u0159eba zn&aacute;t tyto z&aacute;kladn&iacute; informace &ndash; umo\u017e\u0148uje to prov&eacute;st nutn&eacute; rozli&scaron;en&iacute; m&iacute;sta poruchy\/zran\u011bn&iacute;. P\u0159i po&scaron;kozen&iacute; m&iacute;chy doch&aacute;z&iacute; k celkov&eacute; senzorick&eacute; ztr&aacute;t\u011b, zran\u011bn&iacute; brachi&aacute;ln&iacute;ho plexu nebo perifern&iacute;ch nerv\u016f jsou plo&scaron;n\u011b omezen&eacute; povahy. Obr. 7 ukazuje d\u016fle\u017eit&eacute; plochy poko\u017eky inervovan&eacute; perifern&iacute;mi nervy.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig7.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Jestli\u017ee se znecitliv\u011bn&iacute; nebo brn\u011bn&iacute; omezuje na zd&aacute;nliv\u011b n&aacute;hodnou oblast poko\u017eky a nezasahuje celou kon\u010detinu (t.j. nen&iacute; kortik&aacute;ln&iacute; \/ region&aacute;ln&iacute;), nebo kdy\u017e zasahuje ur\u010dit&yacute; ohrani\u010den&yacute; segment (t.j. nen&iacute; m&iacute;&scaron;n&iacute; \/ dermatom&aacute;ln&iacute;), pak se z\u0159ejm\u011b jedn&aacute; o zran\u011bn&iacute; perifern&iacute;ho nervu nebo nervov&eacute;ho plexu. V t&eacute;to souvislosti je nutno zd\u016fraznit, \u017ee ka\u017ed&eacute; zran\u011bn&iacute; nebo onemocn\u011bn&iacute;, kter&eacute; m&aacute; za n&aacute;sledek ztr&aacute;tu s&iacute;ly, slabost nebo ztr&aacute;tu n\u011bjak&eacute; funkce, se v\u017edy mus&iacute; br&aacute;t v&aacute;\u017en\u011b a pova\u017eovat za p\u0159&iacute;pad, kter&yacute; vy\u017eaduje okam\u017eitou l&eacute;ka\u0159skou p&eacute;\u010di.<\/p>\n<p style=\"text-align: justify;\">A podobn\u011b &ndash; okam\u017eit&aacute; l&eacute;ka\u0159sk&aacute; pozornost se mus&iacute; v\u011bnovat i ka\u017ed&eacute; anestezii vyskytuj&iacute;c&iacute; se v n\u011bjak&eacute; oblasti a trvaj&iacute;c&iacute; d&eacute;le ne\u017e jednu \u010di dv\u011b minuty (nap\u0159. zp\u016fsoben&eacute; p\u0159&iacute;m&yacute;m mechanick&yacute;m stla\u010den&iacute;m nervu p\u0159i ur\u010dit&eacute; poloze nebo tlakem pot&aacute;p\u011b\u010dsk&eacute; v&yacute;stroje atd.). Pot&aacute;p\u011b\u010d\u016fm chceme pomoci rozpozn&aacute;vat trivi&aacute;ln&iacute; p\u0159&iacute;hody od v&aacute;\u017en\u011bj&scaron;&iacute;ch zran\u011bn&iacute; ve smyslu spr&aacute;vn&eacute; identifikace pouze \u010d&aacute;ste\u010dn&yacute;ch senzorick&yacute;ch zm\u011bn, tedy parestezie.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig8a-8b.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Obr. 8 zn&aacute;zor\u0148uje rozd&iacute;l mezi m&iacute;&scaron;n&iacute; \/ dermatom&aacute;ln&iacute; distribuc&iacute; (inervac&iacute;) sm\u011brem k poko\u017ece oproti stejn&eacute;mu jevu, ov&scaron;em prost\u0159ednictv&iacute;m perifern&iacute;ho nervu. To pom&aacute;h&aacute; ke snadn\u011bj&scaron;&iacute;mu rozli&scaron;en&iacute; mezi oblastmi poko\u017eky, kter&eacute; by mohly b&yacute;t posti\u017eeny zran\u011bn&iacute;m m&iacute;chy nebo zran\u011bn&iacute;m perifern&iacute;ch nerv\u016f.<\/p>\n<p style=\"text-align: justify;\"><strong>B\u011b\u017en&aacute; zran\u011bn&iacute; souvisej&iacute;c&iacute; s pot&aacute;p\u011bn&iacute;m<\/strong><br \/>Po vyjasn\u011bn&iacute; rozd&iacute;lu mezi parestezi&iacute; dermatom&aacute;ln&iacute; a tou, kter&aacute; je zp\u016fsobena perifern&iacute;mi nervy je nutno zm&iacute;nit p\u011bt zdravotn&iacute;ch stav\u016f, kter&eacute; se \u010dasto p\u0159i\u010d&iacute;taj&iacute; DCI, ale t&eacute;m\u011b\u0159 v\u017edy souvis&iacute; se stla\u010den&iacute;m perifern&iacute;ho nervu:<\/p>\n<p style=\"text-align: justify;\"><a href=\"#PDF\"><strong><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig9.png\" style=\"width: auto;\"><\/strong><\/a><br \/>Tlak na horn&iacute; \u010d&aacute;sti brachi&aacute;ln&iacute;ho plexu zp\u016fsobuje znecitliv\u011bn&iacute; doln&iacute; \u010d&aacute;sti p\u0159edlokt&iacute; v\u010detn\u011b ruky. \u010casto to zp\u016fsobuje subtiln\u011bj&scaron;&iacute;m jedinc\u016fm n\u011bjak&aacute; \u010d&aacute;st v&yacute;stroje s velkou z&aacute;t\u011b\u017e&iacute;.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig10.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">T\u011bsn\u011b padnouc&iacute; mokr&eacute; obleky nebo op&iacute;r&aacute;n&iacute; se o loket mohou stla\u010dovat loketn&iacute; nerv v oblasti kubit&aacute;ln&iacute;ho (loketn&iacute;ho) tunelu (t.j. br\u0148avky), co\u017e zp\u016fsobuje znecitliv\u011bn&iacute; doln&iacute; \u010d&aacute;sti dlan\u011b ruky. Na rozd&iacute;l od zran\u011bn&iacute; brachi&aacute;ln&iacute;ho plexu zde v&scaron;ak nen&iacute; zasa\u017eeno p\u0159edlokt&iacute;, t&yacute;k&aacute; se to pouze ruky (Obr. 10).<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig11.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Stla\u010den&iacute; st\u0159edn&iacute;ho nervu m\u016f\u017ee zp\u016fsobit p\u0159&iacute;li&scaron; t\u011bsn&aacute; man\u017eeta mokr&eacute;ho obleku, rukavice nebo dr\u017een&iacute; okraje \u010dlunu b\u011bhem jeho spou&scaron;t\u011bn&iacute; na vodu (Obr. 11).<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig12.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Tlak na sedac&iacute; nerv p\u0159i sezen&iacute; na tvrd&eacute;m povrchu m\u016f\u017ee zp\u016fsobovat znecitliv\u011bn&iacute; velk&eacute; oblasti na zadn&iacute; stran\u011b nohy. Je to typick&eacute; p\u0159i vyj&iacute;\u017e\u010fk&aacute;ch a sezen&iacute; v \u010dlunu (Obr. 12).<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"fr-dib fr-draggable\" src=\"\/wp-content\/uploads\/imgimport\/329\/fig13.png\" style=\"width: auto;\"><\/p>\n<p style=\"text-align: justify;\">Obezita a stla\u010den&iacute; z&aacute;t\u011b\u017eov&yacute;m opaskem mohou m&iacute;t dopad na later&aacute;ln&iacute; stehenn&iacute; ko\u017en&iacute; nerv s v&yacute;slednou parestezi&iacute; horn&iacute; vn\u011bj&scaron;&iacute; strany stehna (Obr. 13).<\/p>\n<p style=\"text-align: justify;\"><strong>Shrnut&iacute;<\/strong><br \/>&Uacute;\u010delem tohoto \u010dl&aacute;nku je nau\u010dit se rozli&scaron;ovat mali\u010dkosti od z&aacute;va\u017en&yacute;ch probl&eacute;m\u016f. Ka\u017ed&eacute; zran\u011bn&iacute; nebo onemocn\u011bn&iacute; zp\u016fsobuj&iacute;c&iacute; ztr&aacute;tu s&iacute;ly, slabost nebo ztr&aacute;tu funk\u010dnosti (v\u010detn\u011b funkc&iacute; vym\u011b&scaron;ovac&iacute;ch), se v\u017edy mus&iacute; pova\u017eovat za nal&eacute;havou zdravotn&iacute; p\u0159&iacute;hodu. Ka\u017ed&aacute; anestezie trvaj&iacute;c&iacute; d&eacute;le ne\u017e jednu a\u017e dv\u011b minuty (nap\u0159. zp\u016fsoben&aacute; p\u0159&iacute;m&yacute;m mechanick&yacute;m stla\u010den&iacute;m nervu p\u0159i ur\u010dit&eacute; poloze nebo tlakem pot&aacute;p\u011b\u010dsk&eacute; v&yacute;stroje atd.) vy\u017eaduje okam\u017eitou l&eacute;ka\u0159skou pozornost. Parestezie nebo brn\u011bn&iacute; je v&yacute;sledkem \u010d&aacute;ste\u010dn&eacute;ho p\u0159eru&scaron;en&iacute; veden&iacute; senzorick&eacute;ho nervu mezi poko\u017ekou a senzorick&yacute;m kortexem.&nbsp;<\/p>\n<p style=\"text-align: justify;\">Jak parestezie, tak i anestezie mohou nastat n&aacute;sledkem po&scaron;kozen&iacute; mozku, m&iacute;chy nebo nerv\u016f. Znecitliv\u011bn&iacute; velk&yacute;ch oblast&iacute; &ndash; zvl&aacute;&scaron;t\u011b, je-li posti\u017eena cel&aacute; pa\u017ee nebo noha a s t&iacute;mto stavem souvis&iacute; i slabost nebo ochrnut&iacute; &ndash; znamen&aacute; v&aacute;\u017en&yacute; sign&aacute;l mo\u017en&eacute;ho posti\u017een&iacute; mozku a vy\u017eaduje nal&eacute;havou a neodkladnou l&eacute;ka\u0159skou p&eacute;\u010di. Parestezie nebo nedostate\u010dnost p\u0159i distribuci dermatomu nazna\u010duje pravd\u011bpodobn&eacute; zasa\u017een&iacute; m&iacute;chy nebo ko\u0159ene m&iacute;&scaron;n&iacute;ho nervu. I kdy\u017e to m\u016f\u017ee m&iacute;t n\u011bjak&eacute; jin&eacute; p\u0159&iacute;\u010diny, nap\u0159. vyh\u0159ezlou meziobratlovou plot&yacute;nku (t.j. vl&aacute;knitou meziobratlovou chrupavku), vy\u017eaduj&iacute; tyto projevy nal&eacute;hav&eacute; l&eacute;ka\u0159sk&eacute; vy&scaron;et\u0159en&iacute;.<\/p>\n<p style=\"text-align: justify;\">Jestli\u017ee se znecitliv\u011bn&iacute; nebo brn\u011bn&iacute; omezuje na zd&aacute;nliv\u011b n&aacute;hodnou oblast poko\u017eky a nezasahuje celou kon\u010detinu nebo ur\u010dit&yacute; ohrani\u010den&yacute; segment, pak se z\u0159ejm\u011b jedn&aacute; o zran\u011bn&iacute; perifern&iacute;ho nervu nebo nervov&eacute;ho plexu. Nejb\u011b\u017en\u011bj&scaron;&iacute; p\u0159&iacute;\u010diny tohoto jevu jsou stla\u010den&iacute; nebo men&scaron;&iacute; zran\u011bn&iacute;: (1) doln&iacute;ho brachi&aacute;ln&iacute;ho plexu; (2) loketn&iacute;ho nervu; (3) st\u0159edn&iacute;ho nervu; (4) sedac&iacute;ho nervu a (5) later&aacute;ln&iacute;ho stehenn&iacute;ho ko\u017en&iacute;ho nervu.<\/p>\n<p style=\"text-align: justify;\"><strong>Pamatujte &ndash; m&aacute;te-li n\u011bjak&eacute; pochybnosti &ndash; kontaktujte DAN a po\u017e&aacute;dejte o radu pomoc.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pot&aacute;p\u011b\u010d\u016fm se v&scaron;t\u011bpuje, \u017ee maj&iacute; po pot&aacute;p\u011bn&iacute; v\u011bnovat pozornost v&scaron;em neobvykl&yacute;m p\u0159&iacute;znak\u016fm a symptom\u016fm. Doporu\u010duje se jim, aby je vyhodnocovali z pohledu mo\u017en&eacute;ho dekompresn&iacute;ho onemocn\u011bn&iacute;&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11374982,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[384],"tags":[],"authors":[1026],"class_list":["post-11385612","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","authors-frans-cronje-cs_cz"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NEN\u00cd NUTN\u00c9 D\u011aLAT ZE V\u0160EHO &quot;V\u011aDU&quot; - Alert Diver<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alertdiver.eu\/cs_CZ\/clanky\/neni-nutne-delat-ze-vseho-vedu\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEN\u00cd NUTN\u00c9 D\u011aLAT ZE V\u0160EHO &quot;V\u011aDU&quot; - Alert Diver\" \/>\n<meta property=\"og:description\" content=\"Pot&aacute;p\u011b\u010d\u016fm se v&scaron;t\u011bpuje, \u017ee maj&iacute; po pot&aacute;p\u011bn&iacute; v\u011bnovat pozornost v&scaron;em neobvykl&yacute;m p\u0159&iacute;znak\u016fm a symptom\u016fm. 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