Lokalanästhetika Flashcards

1
Q

pKa Ropivacain

A

8,1

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2
Q

Pka lidocain

A

7.8

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3
Q

Welches Prinzip von Lokalanästhesie führt zu der Wirkung des Medikaments

A
  1. Hemmung der spannungsabhängigen Natrium kanale 2 Anschwellung der Lipid Wand der Nervenzelle
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4
Q

PKa Bupivacaine

A

8,1

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5
Q

Wirkdauer Bupivacain

A

3-6h

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6
Q

Höchstdosis Bupivacain

A

2mg/kg/4h

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7
Q

Cocaine - Wirkdauer - Dosierung

A
  • 20 - 30 Minuten - 1-3mg/kg topisch
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8
Q

Wirkprofil Lidocaine

A
  • schneller Wirkeintritt - Wirkdauer 30 - 90 Minuten
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9
Q

Maximaldosis Lidocaine

A

3mg/kg/4h Mit Adrenalin 6mg/kg

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10
Q

Wirkprofil Prilocaine

A
  • schneller Wirkeintritt - Wirkdauer 30-90 min
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11
Q

Besonderheiten Prilocaine

A
  • Methämoglobinbildner - Kontraindiziert bei Kindern unter 6 Monaten
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12
Q

Dosierung Prilocaine

A

6mg/kg/4h 9 mg mit Adrenalin

höchstdosis 400mg, 600mg mit Adrenalin

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13
Q

Dosierung Ropivacaine

A

3-4mg/kg/4h

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14
Q

Struktur Lokalanästhätika

A
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15
Q

pKa Prilocain

A

7.7

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16
Q

Lipidrescue

A

20%, 1.5 ml kg−1 stat over 1 minute, followed by an infusion at a rate of 15 ml kg–1 h–1.

Two further 1.5 ml kg−1 bolus can be given 5 minutes apart and the rate of infusion doubled to 30 ml kg–1 h–1 if there has been no response or if there is deterioration after initial improvement. The total cumulative dose of Intralipid 20% should not exceed 12 ml kg–1

17
Q

Methämoglobin

A

<1%; <10% toxisch, SpO2 bei 85%;

1mg/kg Methylenblau