Pulmonal HT Flashcards

1
Q

Definisjon pulm HT

A

Hvile>25 mmHg (arbeid>30mmHg),

norm10-20

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2
Q

Intrakardielt trykk hø side

A

25/10 –> ikke variabelt ved økt CO pga mage årer rekruttere pulm kretsløp.
Ved akutt belastning: max 50-60mmHg (ie stor LE)

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3
Q

Arteria pulmonalis trykk

A

MAP 12-16 (20/8)

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4
Q

Vena pulmonalis trykk / venstre atrium

A

MAP 6-10

Lavere enn arterielt pga trenger arteriovenøs trykkforskjell for å drive blod.

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5
Q

PCWP normalt

A

8-10 mmHg

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6
Q

Prekapillær PH

A

PCWP<15

Patologi i lungene

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7
Q

Postkapillær PH

A

PCWP>15

Patologi ve side hjerte –> hjertesvikt

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8
Q

Pulmonal Arteriell HT

A

Idiopatisk.

Symp: hjertesvikt smerter, TI og PI

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9
Q

Vasodilatasjonstest PAH

A

Hø kat: NO, adenosin, prostasyklin: 5-10% responders.

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10
Q

Basic behandling

A

Antikoagulasjon, diuretika, O2

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11
Q

Behandling PAH: Responders ved vasodil test

A

Kalsiumantagonist

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12
Q

Andre vasodilatatorer - ikke responders

A
  • Prostanoider - øker cAMP
  • Endotelin hemmer
  • Fosfodiesterase 5 inhib: hemmer nedbrytning cGMP
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13
Q

PH pga hyposemi (Cor pulmonale)

A

KOLS, ILA,søvnapne
normal pcwp
Pum HT < 35 mmHg (kols 20-30)

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14
Q

Kronisk tromboembolisk pulm HT

A

Trykk>25mmHG
Må utelukkes: V/Q scin ev CT pulm angio
Behandling: Pulm endarterektomi, balloon pulm angioplasty.

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15
Q

Pulm HT Diagnostisk algorytme

A
EKG 
Ekko
Rtg trx
Lungefunksjonsundersøkelser
Søvnstudier
VQ scan, CT thorax angio
Autoantistoffer, HIV
Leverfunksjon, fibrose, portal HT
Hø kat med vasodil test
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