Sympathisches Nervensystem Flashcards

1
Q

α1

A
Gefäße         Vasokonstriktion
Auge             Mydriasis
Speicheldr.  Visköse Sekretion
Sphinkter     Konstriktion
(Blase,GIT)
Uterus           Kontraktion
ZNS               Sympaht. Aktivität
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2
Q

α2

A

Präsynaptisch Noradrenalinfreisetzung⬇️
Pankreas Insulinsekretion⬇️
ZNS Sympath. Aktivität
Analgesie
Sedierung

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3
Q

β1

A

Herz + ch. dr. bat. ino.&raquo_space;» O2-Bedarf⬆️

Niere Reninsekretion

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4
Q

β2

A

Gefäße Vasodilatation
Leber Glycogenolyse, Glykoneogenese
Pankreas Insulinsehretion⬆️
Skelettmusk. Glykogenolyse, K+ Aufnahme⬆️ !Hypokaliämie! Tremor
Bronchien Relaxation
Uterus Relaxation
Auge ⬆️ Kammerwasserproduktion

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5
Q

β3

A

Fettgewebe Lipolyse

Harnblase Relaxation M. detrusor vesicae

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6
Q

Direkte Sympathomimetika

A
=Adrenozeptoragonisten
Adrenalin              (β>α)
Noradrenalin       (α>β1>β2)
Dopamin              (Dopaminrezeptor>β1>α)
Dobutamin          (β>α)
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7
Q

Dopamin

A

[◾️◽️◽️] Vasodilatation von Mesenterial- u. Nierengefäßen
[◾️◾️◽️] β1-Rezeptoren&raquo_space;> Hf ⬆️ HZV⬆️
[◾️◾️◾️] α-Rezeptoren&raquo_space;> periphere Vasokonstriktion

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8
Q

α-Mimetika

A
Etilefrin
Phenylephrin
Oxymetazolin*
Xalometazolin*
Midodrin

*Nasentropfen

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9
Q

β1 u. β2 -Agonisten

A

Orciprenalin

Isoprenalin

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10
Q

β2-Agonisten

A
Terbutalin
Salbutamol
Salmeterol
Fenoterol          Tokolyse
Formoterol
Reproterol
Clenbuterol     anabol auf Skelettm. Doping
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11
Q

β3-Agonisten

A

Mirabegron

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12
Q

Indirekte Sympathomimetika

A

Tyramin (Käse,Wein)

Amphetamine Methylphenidat Retalin (Noradrenalin u. Dopamin)
Dexamphetamin 2. Wahl ADHS
Ephedrin
Atomoxetin (Zentral) ADHS unterliegt nicht BMV

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13
Q

Nichtselektive α-Blocker

A

Phenoxybenzamin🧖🏻‍♀️🐏 irreversibel

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14
Q

Selektive α2-Blocker

A

Yohimbin

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15
Q

Selektive α1-Blocker

A

Prazosin
Doxazosin
Afluzosin eher Prostata und Urethra
Terazosin
Tamsulosin eher Prostata und Urethra
Urapidil😃🥤🥬 5-HT-R.- Agonist&raquo_space;> zentrale RR⬇️, ⏹Baroreflex&raquo_space;> i.v. bei
Hypertonuskriese
Carvedilol + β1 β2

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16
Q

Selektive β1-Blocker

A
Atenolol
Bisoprolol
Metoprolol       i.v.
Nebivolol🌫☁️
Acebutolol*
Celiprolol*

+⏹Reninfreisetzung&raquo_space;> ⏹Angiotensin ll Sekretion&raquo_space;> Vasodilatation

17
Q

Nichtselektive β-Blocker

A
Carvedilol 🚙
Propranolol
Sotalol                  +K+-Kanalblocker
Timolol
Pindolol*
18
Q

Vasodilatative β-Blocker

A

Carvedilol
Nebivolol NO-Synthese
Celiprolol*
Acebutolol*

  • partielle intrinsische Aktivität&raquo_space;> Agonisten β2, Antagonisten β1
19
Q

Antisympathotonika

A

Clonidin 🚽 Cave +α 1Agonist α2>α1. bei 🚫🥃+ 🌺🚫
Moxonidin
Guanfacin💩👨🏻‍🦲 ADHS
Guanethidin Peripher ⏹Na+-Kanäle postganglionär
α-Methyldopa Nr. 1 in🤰🏼
(Reserpin)🔪

  1. Wahl bei Hypertonus immer + ein weiteres Antihypertensivum