File:Electrophysiological mechanisms of atrial fibrillation..gif
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English: Posterior view of principal electrophysiological mechanisms of atrial fibrillation. A, Focal activation. The initiating focus (indicated by the star) often lies within the region of the pulmonary veins. The resulting wavelets represent fibrillatory conduction, as in multiple-wavelet reentry. B, Multiple-wavelet reentry. Wavelets (indicated by arrows) randomly re-enter tissue previously activated by the same or another wavelet. The routes the wavelets travel vary. LA indicates left atrium; PV, pulmonary vein; ICV, inferior vena cava; SCV, superior vena cava; and RA, right atrium. Srpski (latinica): Osnovni elektrofiziološki mehanizmi atrijalne fibrilacije. (a) Fokalna aktivacija. Inicirajući fokus(označen zvezdicom) često je smešten u oblasti plućnihvena. Rezultat je fibrilatorna pretkomorska aktivnost.(b) Višestruki reentry. Depolarizacioni talasi nasumice ponovo ulaze u tkivo, koje je prethodno bilo aktivirano njima ili nekim drugim depolarizacionim talasom.Putanja depolarizacionog talasa varira. LA=leva pretkomora; PV=plućna vena; ICV=donja šuplja vena; RA= desna pretkomora. |
| Date | |
| Source | Own work |
| Author | Intermedichbo |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:33, 2 March 2014 | | 513 × 407 (18 KB) | Intermedichbo (talk | contribs) | User created page with UploadWizard |
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