IB antiarrhythmics ua haujlwm li cas?
IB antiarrhythmics ua haujlwm li cas?

Video: IB antiarrhythmics ua haujlwm li cas?

Video: IB antiarrhythmics ua haujlwm li cas?
Video: Antiarrhythmic Drugs - Class 1B Agents 2024, Lub Xya hli ntuj
Anonim

Sodium-channel blockers suav nrog Chav Kawm I antiarrhythmic cov tebchaw raws li Vaughan-Williams kev faib tawm tswv yim. Yog li ntawd, thaiv cov sodium channel txo qhov kev tshaj tawm ntawm kev ua haujlwm muaj peev xwm kis tau tus mob hauv lub plawv (txo qis kev tshaj tawm; tsis zoo dromotropy).

Tsis tas li ntawd, Class 1a antiarrhythmics yog dab tsi?

A chav kawm 1A antiarrhythmic tus neeg sawv cev siv los kho txoj sia ua rau lub plawv dhia tsis zoo. wb 00908. Quinidine. Ib qho tshuaj siv los kho qhov qub sinus atherosclerosis, kho atrial fibrillation thiab flutter, thiab kho lub plawv dhia tsis zoo. wb 01035.

Kuj Paub, 4 chav kawm ntawm cov tshuaj tiv thaiv arrhythmic yog dab tsi? Cov tshuaj tiv thaiv kab mob antiarrhythmic:

  • Qib I - Sodium -channel blockers.
  • Chav Kawm II - Beta-blockers.
  • Qib III - Potassium -channel blockers.
  • Chav Kawm IV - Calcium-channel blockers.
  • Lwm yam - adenosine. - electrolyte ntxiv (magnesium thiab potassium ntsev) - digitalis compounds (cardiac glycosides)

Ua kom pom qhov no, cov tshuaj dab tsi txo qis tsis siv neeg thiab AV conduction?

Beta-blockers

Cov tshuaj twg ua rau ncua sijhawm ua haujlwm tsis zoo?

Raws li ib tug generalization, chav kawm III antiarrhythmics ncua ntev lub peev xwm ua haujlwm plawv, ua rau muaj kev nce ntxiv hauv lub sij hawm zoo refractory.

Pom zoo: