Beta-blockers - lenane la lithethefatsi

Matšoao a mangata, ho akarelletsa le pelo, hammoho le methapo, liphio, lifofane le lisele tse ling, ho na le li-receptor tsa beta-adrenergic. Ba na le boikarabelo ba 'mele oa ho itšoara ka tsela e bohloko le ka linako tse ling, e le hore e feteletse le ho hatella ("otla kapa e mathe"). Ho fokotsa mosebetsi oa bona oa bongaka, li-beta-blockers li sebelisoa - lenane la lithethefatsi le tsoang sehlopheng sena sa meriana ke se seholo haholo, se lumellang ho khetha meriana e loketseng ka ho fetisisa bakeng sa mokuli ka mong.

Li-beta-blockers tse sa khethollang

Ho na le mefuta e 'meli ea adrenoreceptors - beta-1 le beta-2. Ha phapang ea pele e koetsoe, liphello tse latelang tsa pelo li finyelloa:

Haeba u thibela beta-2-adrenoreceptors, ho na le keketseho ea ho thibela methapo ea methapo ea mali le molumo:

Litokisetso tse tsoang sehlotšoaneng sa nonselective beta-blockers li nka khato ka mokhoa o khethollang, ho fokotsa mosebetsi oa mefuta e 'meli ea li-receptors.

Meriana e latelang e bua ka meriana e nahanang:

Khetho ea beta-blockers

Haeba lithethefatsi li sebetsa ka mokhoa o khethollang le ho fokotsa tshebetso ea beta-1-adrenergic receptors feela, ke moemeli ea khethang. Ke habohlokoa hore re hlokomele hore lithethefatsi tse joalo li na le mekhoa e metle ea ho phekola mafu a pelo, ho feta moo, li hlahisa litla-morao tse seng kae.

Lethathamo la lithethefatsi ho tsoa ho sehlopha sa cardioselective beta-blockers tsa moloko o mocha:

Liphetho tse bohloko tsa beta-blockers

Lintho tse mpe li atisa ho baka lithethefatsi tse sa khethollang. Tsena li kenyelletsa maemo a latelang a ho kula:

Hangata, ka mor'a ho emisa li-adrenoblocker, ho na le "lefu la ho tlohela" ka mokhoa o matla le o tsitsitseng oa khatello ea mali, likarolo tse ngata tsa angina pectoris.