# Hjerteklapsprotese — ukendt fabrikat/model

[![MRI Conditional.png](https://mrdb.friishns.eu/uploads/images/gallery/2026-04/scaled-1680-/mri-conditional.png)](https://mrdb.friishns.eu/uploads/images/gallery/2026-04/mri-conditional.png)

<table border="1" id="bkmrk-fabrikat%2Fmodel%3A-foru" style="border-collapse: collapse; width: 100%; height: 357.563px; border-width: 1px; background-color: rgb(236, 240, 241);"><colgroup><col style="width: 29.4644%;"></col><col style="width: 70.6548%;"></col></colgroup><tbody><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Fabrikat/model:**</td><td style="height: 29.7969px;">Generelle retningslinjer når IFU-data ikke kan fremskaffes</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Statisk feltstyrke:**</td><td style="height: 29.7969px;">1,5 Tesla / 3 Tesla</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Scannerarkitektur:**</td><td style="height: 29.7969px;">Ingen restrektioner</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Spatial gradient:**</td><td style="height: 29.7969px;">Maksimalt 525 Gauss/cm alt. 5,25 T/m</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Slew rate (Gr):**</td><td style="height: 29.7969px;">Ingen restriktioner</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**SAR:**</td><td style="height: 29.7969px;">≤ 2 W/kg (Normal Operating Mode)

</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**B1+rms:**</td><td style="height: 29.7969px;">Ikke oplyst</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Coil type:**</td><td style="height: 29.7969px;">Ingen restrektioner</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Artefakter:**</td><td style="height: 29.7969px;">Forventes lokalt ved implantat</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Temperaturstigning:**</td><td style="height: 29.7969px;">≤ 0,7–2,5 °C (phantom-data, 15 min.)</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Kilde (se evt. pdf):**</td><td style="height: 29.7969px;">Primær kilde: MRscanning.com — Procedure 140, rev. 2,8Baseret på sikkerhedsdata fra 107 hjerteklapproteser  
Sekundær kilde: Shellock FG. ISMRM/SMRT, 2021 (se vedlagte fil)</td></tr></tbody></table>

<table border="1" id="bkmrk-kommentarer-til-impl" style="border-collapse: collapse; width: 100%; height: 59.5938px; border-width: 1px; background-color: rgb(251, 238, 184);"><colgroup><col style="width: 99.881%;"></col></colgroup><tbody><tr style="height: 29.7969px;"><td style="height: 29.7969px;">**Kommentarer til implantat**</td></tr><tr style="height: 29.7969px;"><td style="height: 29.7969px;">15 min. pr. sekvens (flere sekvenser tilladt)</td></tr></tbody></table>