Bradykarde Rhythmusstörungen Flashcards

1
Q

Definition Bradykardie vs. Tachkardie

A

Bradykardie: <50/min

Tachykardie; >100/min

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2
Q

Sinusknoten: Erregunsbildungsstörungen

A
  1. Sinusbradykardie

2. Sinusarrest

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3
Q

Sinusknoten: Erregunsleitungsstörung

A
Sinusatriale (SA) Blockierung
-SA-Block 1. Grades
-SA-Block 2. Grades
     Typ Wenckebach=Mobitz 1
     Typ Mobitz 2
-SA-Block 3. Grades
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4
Q

SA-Block 2. Grades Typ Wenckebach

A

P1P2>P2P3; Pause <2PP-Intervalle

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5
Q

SA-Block 2. Grades Typ Mobitz

A

jeder 3. Erregung fällt aus.

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6
Q

Sick Sinus Syndrom=Brady-Tachy-Syndrom

A

Wechsel zwischen Vorhofflimmern, Sinusarrest, u. Sinusbradykardie

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7
Q

Sick Sinus Syndrom=Brady-Tachy-Syndrom

A

Wechsel zwischen Vorhofflimmern, Sinusarrest, u. Sinusbradykardie

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8
Q

oberer Umschlagpunkt=Punkt der entgültigen Negativitätsbewegung bei komplettem RSB

A

> 30ms

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9
Q

oberer Umschlagpunkt=Punkt der entgültigen Negativitätsbewegung bei komplettem LSB

A

> 55ms

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10
Q

Bradykardie Symptome (4x)

A

Synkope (Adam-Stokes-Anfall)
Schwindel
Palpitationen
Herzinsuffizienz

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11
Q

Bradykardie Diagnostik (5x)

A
EKG
Belastungs-EKG
Langzeit-EKG
EKG-Schleifenrekorder
(Elektrophysiologisiche Untersuchung)
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12
Q

häufigste Bradykardie Ursachen

A

chronische KHK
Kardiomyopathie
Fibrosierung
Sklerosierung

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13
Q

sonstige Bradykardie Ursachen

A
vagal/refelektorisch
Elektrolytstörung
Medikamente
Hypothyreose
Hypoxie
Myokarditis
Sarkoidose
Amyloidose
Borreliose
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14
Q

Akuttherapie Bradykardie

A
  • Atropin (0,5mg i.v., ggf. wiederholen, max. 3mg) ODER
  • adrenerge Substanzen (Adrenalin 2-10µg/min iv)
  • Elektrotherapie (Schrittmacher)
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15
Q

Schrittmachertherapie: 2 Formen

A

Passager (extern=transkutan/transvenös)

Permanent (subkutan implantiert=transvenös)

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16
Q

Indikation Schrittmacherimplantation (3x)

A
  • symptomatische Bradykardie
  • AV-Block II, Mobitz
  • AV-Block III