Atriumflutter Flashcards

1
Q

Epidemiologie

A

overall 0.09%. 58% heeft AF in voorgeschiedenis. I

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2
Q

Etiologie: precipicating factors

A

caffeine, alcohol, nicotine, drugs, hyerthyreoidie, stress, menstruatie, elektrolyte stns, koorts, hypovolemie, slaaptekort

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3
Q

Etiologie: 3 soorten onset

A

1) specifc event: 60%(OK, CAP/HAP, ACS)
2) chronic ill (38%) HF, HTN
3) Lone AF 2%

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4
Q

Pathofysiologie

A

macro-reentry tach. in RA, cavotricale istmus. atriale ritme 300/min.

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5
Q

Sx

A

palpitaties, POB, pre syncope. POLYURIE

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6
Q

ECG DD

A

focale atriale tachycardieen.

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7
Q

ECG morf

A

Arit: 300/min. Vrit 150/min (2:1 blok). pos P-toppen in V1. neg zaagtand III, aVF.

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8
Q

Verhoogde AV blokkade door?

A

vagale stim, adenosine, BB.

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9
Q

Tx: nonfarma

A

DC-syncrhoon: 50 joules. Succes rate 98%. RFA 100% in eerste lijn.

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10
Q

Tx: farma voor conversie

A

matige resultaten: IV BB/CA –> langz maar geen conv. Ibutilide 30-70%, (bw: VT’s).

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11
Q

Tx Farma prev + antistoling

A

dofetilide (73% 1 jaar), flecanidie (50%). Matige evidence. stolling zelfde als AF

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12
Q

Timing conversie: eisen tav trombus

A

<48 van onset mag je cardioverteren, >4 w ontstolling. TEE ter uitsluiting.

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